SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands |
12 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2013 |
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| Allowance for Doubtful Accounts [Member] | ||||||||||||||
| Valuation and qualifying accounts [Roll Forward] | ||||||||||||||
| Balance at beginning of period | $ 10,937 | $ 10,009 | $ 11,177 | |||||||||||
| Additions charged to expense | 2,101 | 2,223 | 595 | |||||||||||
| Additions charged to other Accounts | [1] | (134) | 883 | 306 | ||||||||||
| Deductions | [2] | (2,889) | (2,178) | (2,069) | ||||||||||
| Balance at end of period | 10,015 | 10,937 | 10,009 | |||||||||||
| Deferred Tax Asset Valuation Allowance [Member] | ||||||||||||||
| Valuation and qualifying accounts [Roll Forward] | ||||||||||||||
| Balance at beginning of period | 24,540 | 2,234 | 1,627 | |||||||||||
| Additions charged to expense | [3] | 399 | 1,224 | 512 | ||||||||||
| Additions charged to other Accounts | [4] | (1,705) | 22,098 | 0 | ||||||||||
| Deductions | [5] | (2,257) | (1,016) | 95 | ||||||||||
| Balance at end of period | 20,977 | $ 24,540 | $ 2,234 | |||||||||||
| Valuation Allowance, Operating Loss Carryforwards [Member] | ||||||||||||||
| Valuation and qualifying accounts [Roll Forward] | ||||||||||||||
| Additions charged to other Accounts | 1,332 | |||||||||||||
| Purchase Accounting Adjustments [Member] | ||||||||||||||
| Valuation and qualifying accounts [Roll Forward] | ||||||||||||||
| Additions charged to other Accounts | $ 23,430 | |||||||||||||
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