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Commitments and Contingencies (Narrative) (Details) € in Thousands, BRL in Thousands, $ in Thousands	12 Months Ended	24 Months Ended	36 Months Ended
	Dec. 31, 2015 USD ($) customer	Dec. 31, 2010	Dec. 31, 2015 EUR (€)	Dec. 31, 2015 BRL	Dec. 31, 2015 USD ($)	Dec. 31, 2014 BRL	Dec. 31, 2014 USD ($)	Dec. 31, 2013
Short-term Debt [Line Items]
Number of plaintiffs | customer	120,000
Maximum damages sought per plaintiff	$ 1
Product warranty and recall accrual					$ 1,973		$ 1,204
Electronics [Member]
Short-term Debt [Line Items]
Loss contingency, estimate of possible loss			€ 14,000		15,200
Accounts payable and accrued liabilities					0
Control Devices [Member]
Short-term Debt [Line Items]
Environmental remediation accrued undiscounted liability					532		876
Accrued Expenses and Other Current Liabilities [Member] | Control Devices [Member]
Short-term Debt [Line Items]
Environmental remediation accrued undiscounted liability					469		813
Letter of Credit [Member] | Control Devices [Member]
Short-term Debt [Line Items]
Line of credit					2,000
PST Eletronicaltda [Member]
Short-term Debt [Line Items]
Equity method investment, ownership percentage		50.00%
Loss contingencies aggregate tax assessment not accrued				BRL 92,500	23,700
Percentage of state value added tax		25.00%
Percentage ownership in consolidated subsidiary			74.00%
PST Eletronicaltda [Member] | Civil, Labor and Other Tax Contingencies [Member]
Short-term Debt [Line Items]
Loss contingency, estimate of possible loss				25,400	6,500	BRL 37,200	$ 14,000
PST Eletronicaltda [Member] | Value Added Tax [Member]
Short-term Debt [Line Items]
Loss contingencies aggregate tax assessment not accrued				13,200	3,400
PST Eletronicaltda [Member] | Interest On Tax [Member]
Short-term Debt [Line Items]
Loss contingencies aggregate tax assessment not accrued				11,400	2,900
PST Eletronicaltda [Member] | Penalties On Tax [Member]
Short-term Debt [Line Items]
Loss contingencies aggregate tax assessment not accrued				BRL 67,900	$ 17,400
Minda Stoneridge Instruments Ltd [Member]
Short-term Debt [Line Items]
Equity method investment, ownership percentage			49.00%	49.00%	49.00%	49.00%	49.00%	49.00%

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Undiscounted amount of the accrual for environmental loss contingencies.

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