Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details)

v3.6.0.2
Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Revenue:    
Revenue $ 607,564 $ 556,722
Revenue (as a percent) 100.00% 100.00%
Gross profit:    
Gross profit $ 144,818 $ 110,215
Gross profit (as a percent) 23.80% 19.80%
Selling, general and administrative expense:    
Selling, general and administrative expenses $ 65,398 $ 64,234
Selling, general, and administrative expense (as a percent) 10.80% 11.50%
Operating income:    
Operating income $ 73,776 $ 42,786
Operating income (as a percent) 12.10% 7.70%
Amortization of intangible assets $ (3,402) $ (3,149)
Restructuring cost (2,242) 0
Acquisition-related expenses 0 (46)
Segment Reconciling Items    
Operating income:    
Amortization of intangible assets (3,402) (3,149)
Restructuring cost (2,242) 0
Acquisition-related expenses 0 (46)
Other    
Selling, general and administrative expense:    
Selling, general and administrative expenses 357 650
Health Services | Operating Segments    
Revenue:    
Revenue $ 340,729 $ 291,903
Revenue (as a percent) 100.00% 100.00%
Gross profit:    
Gross profit $ 78,234 $ 51,972
Gross profit (as a percent) 23.00% 17.80%
Selling, general and administrative expense:    
Selling, general and administrative expenses $ 28,107 $ 25,164
Selling, general, and administrative expense (as a percent) 8.20% 8.60%
Operating income:    
Operating income $ 50,127 $ 26,808
Operating income (as a percent) 14.70% 9.20%
U.S. Federal Services | Operating Segments    
Revenue:    
Revenue $ 141,298 $ 145,285
Revenue (as a percent) 100.00% 100.00%
Gross profit:    
Gross profit $ 37,576 $ 28,238
Gross profit (as a percent) 26.60% 19.40%
Selling, general and administrative expense:    
Selling, general and administrative expenses $ 19,695 $ 17,522
Selling, general, and administrative expense (as a percent) 13.90% 12.10%
Operating income:    
Operating income $ 17,881 $ 10,716
Operating income (as a percent) 12.70% 7.40%
Human Services | Operating Segments    
Revenue:    
Revenue $ 125,537 $ 119,534
Revenue (as a percent) 100.00% 100.00%
Gross profit:    
Gross profit $ 29,008 $ 30,005
Gross profit (as a percent) 23.10% 25.10%
Selling, general and administrative expense:    
Selling, general and administrative expenses $ 17,239 $ 20,898
Selling, general, and administrative expense (as a percent) 13.70% 17.50%
Operating income:    
Operating income $ 11,769 $ 9,107
Operating income (as a percent) 9.40% 7.60%