Segment Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2015 |
Jun. 30, 2014 |
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| Revenue: | ||||||
| Revenue | $ 572,301 | $ 419,899 | $ 1,521,138 | $ 1,265,506 | ||
| Revenue (as a percent) | 100.00% | 100.00% | 100.00% | 100.00% | ||
| Gross profit: | ||||||
| Gross profit | $ 143,798 | $ 112,603 | $ 387,410 | $ 339,191 | ||
| Gross profit (as a percent) | 25.10% | 26.80% | 25.50% | 26.80% | ||
| Selling, general, and administrative expense: | ||||||
| Selling, general and administrative expense | $ 66,997 | $ 55,838 | $ 178,350 | $ 160,727 | ||
| Selling, general, and administrative expense (as a percent) | 11.70% | 13.30% | 11.70% | 12.70% | ||
| Operating income: | ||||||
| Amortization of intangible assets | $ (3,275) | $ (1,542) | $ (6,182) | $ (4,365) | ||
| Acquisition-related expenses | (2,459) | (4,573) | ||||
| Legal and settlement expense | (600) | |||||
| Operating income | $ 71,067 | $ 55,223 | $ 198,305 | $ 173,499 | ||
| Operating income (as a percent) | 12.40% | 13.20% | 13.00% | 13.70% | ||
| Operating segments | ||||||
| Operating income: | ||||||
| Amortization of intangible assets | $ (3,275) | $ (1,542) | $ (6,182) | $ (4,365) | ||
| Acquisition-related expenses | [1] | (2,459) | (4,573) | |||
| Legal and settlement expense | (600) | |||||
| Other | (8) | (35) | (108) | (14) | ||
| Other | ||||||
| Selling, general, and administrative expense: | ||||||
| Selling, general and administrative expense | 8 | 35 | 108 | 14 | ||
| Health Services | Operating segments | ||||||
| Revenue: | ||||||
| Revenue | $ 439,560 | $ 305,253 | $ 1,161,242 | $ 927,435 | ||
| Revenue (as a percent) | 100.00% | 100.00% | 100.00% | 100.00% | ||
| Gross profit: | ||||||
| Gross profit | $ 104,593 | $ 79,532 | $ 281,895 | $ 240,906 | ||
| Gross profit (as a percent) | 23.80% | 26.10% | 24.30% | 26.00% | ||
| Selling, general, and administrative expense: | ||||||
| Selling, general and administrative expense | $ 44,587 | $ 36,333 | $ 119,618 | $ 105,641 | ||
| Selling, general, and administrative expense (as a percent) | 10.10% | 11.90% | 10.30% | 11.40% | ||
| Operating income: | ||||||
| Operating income | $ 60,006 | $ 43,199 | $ 162,277 | $ 135,265 | ||
| Operating income (as a percent) | 13.70% | 14.20% | 14.00% | 14.60% | ||
| Human Services | Operating segments | ||||||
| Revenue: | ||||||
| Revenue | $ 132,741 | $ 114,646 | $ 359,896 | $ 338,071 | ||
| Revenue (as a percent) | 100.00% | 100.00% | 100.00% | 100.00% | ||
| Gross profit: | ||||||
| Gross profit | $ 39,205 | $ 33,071 | $ 105,515 | $ 98,285 | ||
| Gross profit (as a percent) | 29.50% | 28.80% | 29.30% | 29.10% | ||
| Selling, general, and administrative expense: | ||||||
| Selling, general and administrative expense | $ 22,402 | $ 19,470 | $ 58,624 | $ 55,072 | ||
| Selling, general, and administrative expense (as a percent) | 16.90% | 17.00% | 16.30% | 16.30% | ||
| Operating income: | ||||||
| Operating income | $ 16,803 | $ 13,601 | $ 46,891 | $ 43,213 | ||
| Operating income (as a percent) | 12.70% | 11.90% | 13.00% | 12.80% | ||
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