Derivative Instruments (Narrative) (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	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	$ 148,000		$ 148,000
Derivative Loss	181,000	$ 18,000	2,991,000	$ 32,000
Amount of Yen denominated interest rate swap settled							$ 2,900,000
Derivative liability					$ 7,050,000
Number of forward purchase contracts | contract					3
Notional amount of forward purchase contracts	$ 1,200,000		$ 1,200,000
Projected Peso exposure represented by Mexican Peso foreign exchange contracts (in hundredths)	85.00%		85.00%
Amount of Yen denominated foreign forward exchange contract settled							4,100,000
Other Comprehensive Income (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized loss related to derivative instruments included in accumulated other comprehensive loss			$ 500,000		$ 3,700,000
Foreign Exchange Contract 1 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of forward purchase contracts	$ 450,000		450,000		$ 900,000
Exchange rate | MXN / $					13.6007
Foreign Exchange Contract 2 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of forward purchase contracts	450,000		450,000		$ 900,000
Exchange rate | MXN / $					13.7503
Foreign Exchange Contract 3 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of forward purchase contracts	$ 300,000		$ 300,000		$ 600,000
Exchange rate | MXN / $					14.1934
Interest Rate Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Yen denominated interest rate swap settled							$ 2,900,000
Interest Rate Swaps [Member] | Other Liabilities (Long-Term) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative liability					$ 3,000,000
Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Yen denominated foreign forward exchange contract settled						$ 4,100,000
Foreign Exchange Contracts [Member] | Other Liabilities (Long-Term) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative liability					4,000,000
Foreign Exchange Contracts [Member] | Current Liabilities [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Current derivative liability					$ 100,000