Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details)

v3.10.0.1
Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Revenue:        
Revenue $ 597,855 $ 600,447 $ 1,833,790 $ 1,830,058
Revenue (as a percent) 100.00% 100.00% 100.00% 100.00%
Gross profit:        
Gross profit $ 154,684 $ 152,189 $ 455,447 $ 449,324
Gross profit (as a percent) 25.90% 25.30% 24.80% 24.60%
Selling, general and administrative expense:        
Selling, general and administrative expenses $ 69,588 $ 68,308 $ 211,706 $ 202,302
Selling, general, and administrative expense (as a percent) 11.60% 11.40% 11.50% 11.10%
Operating income:        
Operating income $ 82,571 $ 81,811 $ 233,575 $ 235,922
Operating income (as a percent) 13.80% 13.60% 12.70% 12.90%
Amortization of intangible assets $ (2,525) $ (2,720) $ (7,846) $ (9,508)
Restructuring cost 0 0 (2,320) (2,242)
Gain on sale of a business 0 650 0 650
Segment Reconciling Items        
Operating income:        
Amortization of intangible assets (2,525) (2,720) (7,846) (9,508)
Restructuring cost 0 0 (2,320) (2,242)
Gain on sale of a business 0 650 0 650
Other        
Selling, general and administrative expense:        
Selling, general and administrative expenses 1,032 (90) 1,032 359
Operating income:        
Operating income (1,032) 90 (1,032) (359)
Health Services | Operating Segments        
Revenue:        
Revenue $ 359,050 $ 335,090 $ 1,076,773 $ 1,024,813
Revenue (as a percent) 100.00% 100.00% 100.00% 100.00%
Gross profit:        
Gross profit $ 97,254 $ 83,269 $ 286,517 $ 247,957
Gross profit (as a percent) 27.10% 24.80% 26.60% 24.20%
Selling, general and administrative expense:        
Selling, general and administrative expenses $ 33,472 $ 31,716 $ 102,078 $ 89,737
Selling, general, and administrative expense (as a percent) 9.30% 9.50% 9.50% 8.80%
Operating income:        
Operating income $ 63,782 $ 51,553 $ 184,439 $ 158,220
Operating income (as a percent) 17.80% 15.40% 17.10% 15.40%
U.S. Federal Services | Operating Segments        
Revenue:        
Revenue $ 112,226 $ 131,589 $ 361,536 $ 418,257
Revenue (as a percent) 100.00% 100.00% 100.00% 100.00%
Gross profit:        
Gross profit $ 32,276 $ 33,627 $ 93,008 $ 107,774
Gross profit (as a percent) 28.80% 25.60% 25.70% 25.80%
Selling, general and administrative expense:        
Selling, general and administrative expenses $ 17,399 $ 17,757 $ 51,587 $ 56,379
Selling, general, and administrative expense (as a percent) 15.50% 13.50% 14.30% 13.50%
Operating income:        
Operating income $ 14,877 $ 15,870 $ 41,421 $ 51,395
Operating income (as a percent) 13.30% 12.10% 11.50% 12.30%
Human Services | Operating Segments        
Revenue:        
Revenue $ 126,579 $ 133,768 $ 395,481 $ 386,988
Revenue (as a percent) 100.00% 100.00% 100.00% 100.00%
Gross profit:        
Gross profit $ 25,154 $ 35,293 $ 75,922 $ 93,593
Gross profit (as a percent) 19.90% 26.40% 19.20% 24.20%
Selling, general and administrative expense:        
Selling, general and administrative expenses $ 17,685 $ 18,925 $ 57,009 $ 55,827
Selling, general, and administrative expense (as a percent) 14.00% 14.10% 14.40% 14.40%
Operating income:        
Operating income $ 7,469 $ 16,368 $ 18,913 $ 37,766
Operating income (as a percent) 5.90% 12.20% 4.80% 9.80%