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Financial Instruments and Fair Value Measurements (Narrative) (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2019 USD ($)	Dec. 31, 2021 USD ($) contract	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Feb. 18, 2020 USD ($)
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Borrowings outstanding		$ 163,957	$ 136,000
Assets fair value adjustment		0	0
Impairment of Goodwill		0	0	$ 0
Payment of earn-out consideration paid within operating activities		2,065	(3,196)	2,308
Earn-out consideration cash payment within financing activities				$ 3,394
Earn-out consideration, operating and financing activities	$ 8,474
Transfers in or out of Level 3		0
Asset impairments		2,326
Particulate Matter Fixed Assets [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Asset impairments		2,326
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			0
Cash Flow Hedging [Member] | Mexican Peso-Denominated Foreign Currency Forward Contracts [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts		23,923	1,242
Cash Flow Hedging [Member] | Interest Rate Swap [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts					$ 50,000
Interest expense		651	433
Cash Flow Hedging [Member] | Interest Rate Swap [Member] | Credit Facility [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Borrowings outstanding		$ 163,957
Net Investment Hedging [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Number of hedge contracts | contract		2
Net Investment Hedging [Member] | Net Investment Hedge Due 2026 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts		$ 25,000
Net Investment Hedging [Member] | Net Investment Hedge Due 2028 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts		25,000
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		23,923	1,242
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Rate Swap [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts		50,000	50,000
Control Devices [Member] | Particulate Matter Fixed Assets [Member] | Tallinn, Estonia Facility [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Asset impairments		2,326
Control Devices [Member] | Selling, General and Administrative Expenses [Member] | Particulate Matter Fixed Assets [Member] | Tallinn, Estonia Facility [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Asset impairments		$ 2,326
Orlaco [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Payment of earn-out consideration paid within operating activities			5,080
Earn-out consideration cash payment within financing activities			$ 3,394

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