Fair Value of Financial Instruments (Details) - Recurring - USD ($) $ in Thousands	Jun. 30, 2015	Sep. 30, 2014
Level 2 \| Interest rate swaps \| Accrued Expenses and Other Current Liabilities
Fair value measurements
Derivative liabilities		$ 1,151
Level 3 \| Cross currency swaps \| Accrued Expenses and Other Current Liabilities
Fair value measurements
Derivative liabilities	$ 3,299	3,857
Level 3 \| Cross currency swaps \| Other Liabilities
Fair value measurements
Derivative liabilities	$ 4,740	$ 14,773

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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