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Financial Instruments and Fair Value Measurements (Narrative) (Details)		3 Months Ended		9 Months Ended	12 Months Ended
		Dec. 31, 2014 USD ($) security	Jun. 30, 2014 USD ($) security	Sep. 30, 2014 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($) security lb	Oct. 04, 2010 USD ($)
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Assets fair value adjustment					$ 0	$ 0
Goodwill impairment charge (benefit)							$ 51,458,000
Mexican Peso-Denominated Foreign Currency Forward Contracts [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Number of hedge contracts | security		5					5
Interest Rate Swap [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Gain on termination of Interest Rate Swap		$ 371,000
Reduced interest expense as a result of swap							$ 641,000
Senior Notes [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Face value of senior secured notes					$ 175,000,000
Fixed interest rate								9.50%
Debt instrument, maturity date					Oct. 15, 2017
Cash Flow Hedging [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Amount from cash flow hedge derivatives to be reclassified in the next year					$ 28,000
Cash Flow Hedging [Member] | Copper Commodity [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Number of hedge contracts expected to be fulfilled | security		2					2
Fixed price commodity contracts (in pounds) | lb							317,000
Designated as Hedging Instrument [Member] | Mexican Peso-Denominated Foreign Currency Forward Contracts [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Number of hedge contracts expected to be fulfilled | security		2					2
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	[1]				5,699,000	22,208,000
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						2,421,000
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						10,007,000
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					5,699,000	9,780,000
Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] | Interest Rate Swap [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Interest rate swap, notional amount								$ 45,000,000
Not Designated as Hedging Instrument [Member] | Forward Currency Contracts [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts	[1]				1,601,000	1,647,000
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					1,601,000	1,647,000
Gain (loss) on derivative instruments held for trading purposes, net					57,000	336,000	$ 1,205,000
Not Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Copper Commodity [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Gain on derivatives not designated as hedging instruments			$ 77,000				77,000
London Interbank Offered Rate (LIBOR) [Member] | Fair Value Hedging [Member] | Interest Rate Swap [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Discription of variable rate basis of derivative								7.20%
Variable interest rate in addition to LIBOR								7.20%
Wiring [Member] | Not Designated as Hedging Instrument [Member] | Mexican Peso-Denominated Foreign Currency Forward Contracts [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Number of hedge contracts | security			3
Gain recognized on dedesignation of hedge			$ 320,000
PST [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Goodwill impairment charge (benefit)		$ 27,960,000	$ 29,300,000	$ 23,498,000			$ 51,458,000
Fair Value, Inputs, Level 1 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Financial assets carried at fair value					0	0
Financial liabilities carried at fair value					0	0
Fair Value, Inputs, Level 2 [Member] | Forward Currency Contracts [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Forward currency contracts, financial assets					0	474,000
Forward currency contracts, financial liabilities					31,000	93,000
Fair Value, Inputs, Level 3 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Financial assets carried at fair value					0	0
Financial liabilities carried at fair value					$ 0	$ 0
[1] Notional amounts represent the gross contract / notional amount of the derivatives outstanding.

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Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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-Publisher SEC
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