| Segment information | 
        
 
		
			2. Segment information
		 
		
			 
		 
		
			The following table provides certain financial information for each of the Company’s business segments (in thousands):
		 
		
			 
		 
		
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						Three Months Ended June 30, 
				 | 
				
					 
						  
				 | 
				
					 
						Nine Months Ended June 30, 
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						2014 
				 | 
				
					 
						  
				 | 
				
					 
						% (1) 
				 | 
				
					 
						  
				 | 
				
					 
						2013 
				 | 
				
					 
						  
				 | 
				
					 
						% (1) 
				 | 
				
					 
						  
				 | 
				
					 
						2014 
				 | 
				
					 
						  
				 | 
				
					 
						% (1) 
				 | 
				
					 
						  
				 | 
				
					 
						2013 
				 | 
				
					 
						  
				 | 
				
					 
						% (1) 
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Revenue: 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Health Services 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
305,647
				 | 
				
					 
						  
				 | 
				
100
				 | 
				
					 
						% 
				 | 
				
					 
						$ 
				 | 
				
217,901
				 | 
				
					 
						  
				 | 
				
100
				 | 
				
					 
						% 
				 | 
				
					 
						$ 
				 | 
				
928,865
				 | 
				
					 
						  
				 | 
				
100
				 | 
				
					 
						% 
				 | 
				
					 
						$ 
				 | 
				
591,847
				 | 
				
					 
						  
				 | 
				
100
				 | 
				
					 
						% 
				 | 
			 
			
				| 
					 
						Human Services 
				 | 
				
					 
						  
				 | 
				
114,252
				 | 
				
					 
						  
				 | 
				
100
				 | 
				
					 
						% 
				 | 
				
116,422
				 | 
				
					 
						  
				 | 
				
100
				 | 
				
					 
						% 
				 | 
				
336,641
				 | 
				
					 
						  
				 | 
				
100
				 | 
				
					 
						% 
				 | 
				
355,093
				 | 
				
					 
						  
				 | 
				
100
				 | 
				
					 
						% 
				 | 
			 
			
				| 
					 
						Total 
				 | 
				
					 
						  
				 | 
				
419,899
				 | 
				
					 
						  
				 | 
				
100
				 | 
				
					 
						% 
				 | 
				
334,323
				 | 
				
					 
						  
				 | 
				
100
				 | 
				
					 
						% 
				 | 
				
1,265,506
				 | 
				
					 
						  
				 | 
				
100
				 | 
				
					 
						% 
				 | 
				
946,940
				 | 
				
					 
						  
				 | 
				
100
				 | 
				
					 
						% 
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Gross Profit: 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Health services 
				 | 
				
					 
						  
				 | 
				
79,679
				 | 
				
					 
						  
				 | 
				
26.1
				 | 
				
					 
						% 
				 | 
				
62,868
				 | 
				
					 
						  
				 | 
				
28.9
				 | 
				
					 
						% 
				 | 
				
241,558
				 | 
				
					 
						  
				 | 
				
26.0
				 | 
				
					 
						% 
				 | 
				
162,778
				 | 
				
					 
						  
				 | 
				
27.5
				 | 
				
					 
						% 
				 | 
			 
			
				| 
					 
						Human Services 
				 | 
				
					 
						  
				 | 
				
32,924
				 | 
				
					 
						  
				 | 
				
28.8
				 | 
				
					 
						% 
				 | 
				
31,692
				 | 
				
					 
						  
				 | 
				
27.2
				 | 
				
					 
						% 
				 | 
				
97,633
				 | 
				
					 
						  
				 | 
				
29.0
				 | 
				
					 
						% 
				 | 
				
105,756
				 | 
				
					 
						  
				 | 
				
29.8
				 | 
				
					 
						% 
				 | 
			 
			
				| 
					 
						Total 
				 | 
				
					 
						  
				 | 
				
112,603
				 | 
				
					 
						  
				 | 
				
26.8
				 | 
				
					 
						% 
				 | 
				
94,560
				 | 
				
					 
						  
				 | 
				
28.3
				 | 
				
					 
						% 
				 | 
				
339,191
				 | 
				
					 
						  
				 | 
				
26.8
				 | 
				
					 
						% 
				 | 
				
268,534
				 | 
				
					 
						  
				 | 
				
28.4
				 | 
				
					 
						% 
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Selling, general, and administrative expense: 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Health Services 
				 | 
				
					 
						  
				 | 
				
37,430
				 | 
				
					 
						  
				 | 
				
12.2
				 | 
				
					 
						% 
				 | 
				
28,507
				 | 
				
					 
						  
				 | 
				
13.1
				 | 
				
					 
						% 
				 | 
				
108,980
				 | 
				
					 
						  
				 | 
				
11.7
				 | 
				
					 
						% 
				 | 
				
78,882
				 | 
				
					 
						  
				 | 
				
13.3
				 | 
				
					 
						% 
				 | 
			 
			
				| 
					 
						Human Services 
				 | 
				
					 
						  
				 | 
				
19,915
				 | 
				
					 
						  
				 | 
				
17.4
				 | 
				
					 
						% 
				 | 
				
20,674
				 | 
				
					 
						  
				 | 
				
17.8
				 | 
				
					 
						% 
				 | 
				
56,097
				 | 
				
					 
						  
				 | 
				
16.7
				 | 
				
					 
						% 
				 | 
				
59,597
				 | 
				
					 
						  
				 | 
				
16.8
				 | 
				
					 
						% 
				 | 
			 
			
				| 
					 
						Corporate/Other 
				 | 
				
					 
						  
				 | 
				
					 
						— 
				 | 
				
					 
						  
				 | 
				
					 
						NM 
				 | 
				
					 
						  
				 | 
				
					 
						— 
				 | 
				
					 
						  
				 | 
				
					 
						NM 
				 | 
				
					 
						  
				 | 
				
					 
						— 
				 | 
				
					 
						  
				 | 
				
					 
						NM 
				 | 
				
					 
						  
				 | 
				
(383
				 | 
				
					 
						) 
				 | 
				
					 
						NM 
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Total 
				 | 
				
					 
						  
				 | 
				
57,345
				 | 
				
					 
						  
				 | 
				
13.7
				 | 
				
					 
						% 
				 | 
				
49,181
				 | 
				
					 
						  
				 | 
				
14.7
				 | 
				
					 
						% 
				 | 
				
165,077
				 | 
				
					 
						  
				 | 
				
13.0
				 | 
				
					 
						% 
				 | 
				
138,096
				 | 
				
					 
						  
				 | 
				
14.6
				 | 
				
					 
						% 
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Operating income from continuing operations: 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Health services 
				 | 
				
					 
						  
				 | 
				
42,249
				 | 
				
					 
						  
				 | 
				
13.8
				 | 
				
					 
						% 
				 | 
				
34,361
				 | 
				
					 
						  
				 | 
				
15.8
				 | 
				
					 
						% 
				 | 
				
132,578
				 | 
				
					 
						  
				 | 
				
14.3
				 | 
				
					 
						% 
				 | 
				
83,896
				 | 
				
					 
						  
				 | 
				
14.2
				 | 
				
					 
						% 
				 | 
			 
			
				| 
					 
						Human Services 
				 | 
				
					 
						  
				 | 
				
13,009
				 | 
				
					 
						  
				 | 
				
11.4
				 | 
				
					 
						% 
				 | 
				
11,018
				 | 
				
					 
						  
				 | 
				
9.5
				 | 
				
					 
						% 
				 | 
				
41,536
				 | 
				
					 
						  
				 | 
				
12.3
				 | 
				
					 
						% 
				 | 
				
46,159
				 | 
				
					 
						  
				 | 
				
13.0
				 | 
				
					 
						% 
				 | 
			 
			
				| 
					 
						Corporate/Other 
				 | 
				
					 
						  
				 | 
				
					 
						— 
				 | 
				
					 
						  
				 | 
				
					 
						NM 
				 | 
				
					 
						  
				 | 
				
					 
						— 
				 | 
				
					 
						  
				 | 
				
					 
						NM 
				 | 
				
					 
						  
				 | 
				
					 
						— 
				 | 
				
					 
						  
				 | 
				
					 
						NM 
				 | 
				
					 
						  
				 | 
				
383
				 | 
				
					 
						  
				 | 
				
					 
						NM 
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Subtotal:  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Segment Operating Income 
				 | 
				
					 
						  
				 | 
				
55,258
				 | 
				
					 
						  
				 | 
				
13.2
				 | 
				
					 
						% 
				 | 
				
45,379
				 | 
				
					 
						  
				 | 
				
13.6
				 | 
				
					 
						% 
				 | 
				
174,114
				 | 
				
					 
						  
				 | 
				
13.8
				 | 
				
					 
						% 
				 | 
				
130,438
				 | 
				
					 
						  
				 | 
				
13.8
				 | 
				
					 
						% 
				 | 
			 
			
				| 
					 
						Acquisition-related expenses 
				 | 
				
					 
						  
				 | 
				
					 
						— 
				 | 
				
					 
						  
				 | 
				
					 
						NM 
				 | 
				
					 
						  
				 | 
				
1,174
				 | 
				
					 
						  
				 | 
				
					 
						NM 
				 | 
				
					 
						  
				 | 
				
					 
						— 
				 | 
				
					 
						  
				 | 
				
					 
						NM 
				 | 
				
					 
						  
				 | 
				
1,500
				 | 
				
					 
						  
				 | 
				
					 
						NM 
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Legal and settlement expenses/ (recoveries) 
				 | 
				
					 
						  
				 | 
				
					 
						— 
				 | 
				
					 
						  
				 | 
				
					 
						NM 
				 | 
				
					 
						  
				 | 
				
(182
				 | 
				
					 
						) 
				 | 
				
					 
						NM 
				 | 
				
					 
						  
				 | 
				
600
				 | 
				
					 
						  
				 | 
				
					 
						NM 
				 | 
				
					 
						  
				 | 
				
(202
				 | 
				
					 
						) 
				 | 
				
					 
						NM 
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Total 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
55,258
				 | 
				
					 
						  
				 | 
				
13.2
				 | 
				
					 
						% 
				 | 
				
					 
						$ 
				 | 
				
44,387
				 | 
				
					 
						  
				 | 
				
13.3
				 | 
				
					 
						% 
				 | 
				
					 
						$ 
				 | 
				
173,514
				 | 
				
					 
						  
				 | 
				
13.7
				 | 
				
					 
						% 
				 | 
				
					 
						$ 
				 | 
				
129,140
				 | 
				
					 
						  
				 | 
				
13.6
				 | 
				
					 
						% 
				 | 
			 
		  
		
			 
		 
		
			 
		 
		
 | 
			 
				 (1)
			 
		 | 
 | 
			 
			Percentage of respective segment revenue. Percentages not considered meaningful are marked “NM”. 
 | 
 
  
		  
	   
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