Derivative Instruments (Narrative) (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($) contract MXN / $	Apr. 30, 2015 USD ($)	Apr. 24, 2015 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Maximum potential future exposure on derivatives			$ 107
Derivative (Gain) Loss	$ 2,800	$ (89)	2,991	$ (57)
Derivative liability			67		$ 7,050
Embedded derivative liabilities			202
Number of forward purchase contracts | contract					3
Notional amount of forward purchase contracts			$ 600
Projected Peso exposure represented by Mexican Peso foreign exchange contracts (in hundredths)			85.00%
Other Comprehensive Income (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized loss related to derivative instruments included in accumulated other comprehensive loss			$ 400		$ 3,700
Foreign Exchange Contract 1 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of forward purchase contracts			225		$ 900
Exchange rate | MXN / $					13.6007
Foreign Exchange Contract 2 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of forward purchase contracts			225		$ 900
Exchange rate | MXN / $					13.7503
Foreign Exchange Contract 3 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of forward purchase contracts			150		$ 600
Exchange rate | MXN / $					14.1934
Minimum [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Embedded derivative liabilities			80
Maximum [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Embedded derivative liabilities			$ 730
Interest Rate Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Yen denominated interest rate swap settled							$ 2,900
Interest Rate Swaps [Member] | Other Liabilities (Long-Term) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative liability					$ 3,000
Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Yen denominated foreign forward exchange contract settled						$ 4,000
Foreign Exchange Contracts [Member] | Other Liabilities (Long-Term) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative liability					4,000
Foreign Exchange Contracts [Member] | Current Liabilities [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Current derivative liability					$ 100