Goodwill and Intangible Assets (Details) $ in Thousands  | 
9 Months Ended | 
|---|---|
| 
 Jun. 30, 2015  
USD ($) 
 | |
| Changes in goodwill | |
| Balance at the beginning of the period | $ 170,626 | 
| Acquisition of Acentia | 213,955 | 
| Foreign currency translation | (4,686) | 
| Balance at the end of the period | 379,895 | 
| Health Services | |
| Changes in goodwill | |
| Balance at the beginning of the period | 124,920 | 
| Acquisition of Acentia | 213,955 | 
| Foreign currency translation | (2,676) | 
| Balance at the end of the period | 336,199 | 
| Human Services | |
| Changes in goodwill | |
| Balance at the beginning of the period | 45,706 | 
| Foreign currency translation | (2,010) | 
| Balance at the end of the period | $ 43,696 | 
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available. 
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- Definition Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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