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Financial Instruments and Fair Value Measurements (Narrative) (Details) lb in Thousands, $ in Thousands		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 ($) lb		Sep. 30, 2014 USD ($)	Sep. 01, 2014 USD ($)	Oct. 04, 2010 USD ($)
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Amount from cash flow hedge derivatives to be reclassified		$ 208		$ 208
Goodwill impairment charge (benefit)			$ 29,300		$ 29,300
Euro-Denominated Foreign Currency Forward Contracts [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Gain (loss) on derivative instruments held for trading purposes, net		(72)	86	$ 316	25
Mexican Peso-Denominated Foreign Currency Forward Contracts [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Gain (loss) on derivative instruments held for trading purposes, net			320
Copper Commodity [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Gain (loss) on derivative instruments held for trading purposes, net			77
Interest Rate Swap [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Discription of variable rate basis of derivative				the Company paid a variable interest rate equal to the six-month London Interbank Offered Rate ("LIBOR") plus 7.2%
Fixed interest rate								9.50%
Reduction in interest expense as a result of swap			$ (206)		(431)
Senior Notes [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Face value of senior secured notes									$ 175,000	$ 175,000
Fixed interest rate								9.50%
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Forward Currency Contracts [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts		13,322		$ 13,322		$ 26,266	[1]
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | U.S. Dollar Denominated Foreign Currency Forward Contracts, Swedish Krona Functional Currency [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts		5,780		5,780		11,718
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | U.S. Dollar Denominated Foreign Currency Forward Contracts Euro Functional Currency [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts		2,104		2,104		4,266
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Mexican Peso-Denominated Foreign Currency Forward Contracts [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts		5,438		5,438		10,282
Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] | Interest Rate Swap [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts								$ 45,000
Not Designated as Hedging Instrument [Member] | Forward Currency Contracts [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts		1,693		1,693		3,523	[1]
Not Designated as Hedging Instrument [Member] | Euro-Denominated Foreign Currency Forward Contracts [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts		$ 1,693		$ 1,693		$ 3,523
Not Designated as Hedging Instrument [Member] | Copper Commodity [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fixed price commodity contracts (in pounds) | lb	[1]					317
London Interbank Offered Rate (LIBOR) [Member] | Interest Rate Swap [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Variable interest rate in addition to LIBOR								7.20%
PST [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Goodwill impairment charge (benefit)					$ 29,300
[1] Notional amounts represent the gross contract / notional amount of the derivatives outstanding. The fixed price commodity contract notional amounts are in pounds.

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