Financial Instruments, Derivatives and Hedging Activities (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Foreign Currency Movement Effect
Net currency exchange gains included in determining Income from Operations			$ 2,300,000	$ 1,600,000	$ 3,100,000
Interest Swap Position One
Derivative [Line Items]
Derivative, Notional Amount			$ 150,000,000.0
Weighted Average Interest Rate			2.25%
Foreign Currency Risk
Derivative, Notional Amount			$ 150,000,000.0
Derivatives Not Designated as Hedges
Derivative, Notional Amount			150,000,000.0
Interest Swap Position Two
Derivative [Line Items]
Derivative, Notional Amount			$ 150,000,000.0
Weighted Average Interest Rate			2.36%
Foreign Currency Risk
Derivative, Notional Amount			$ 150,000,000.0
Derivatives Not Designated as Hedges
Derivative, Notional Amount			150,000,000.0
Interest Swap Position Three
Derivative [Line Items]
Derivative, Notional Amount			$ 120,000,000.0
Weighted Average Interest Rate			2.92%
Foreign Currency Risk
Derivative, Notional Amount			$ 120,000,000.0
Derivatives Not Designated as Hedges
Derivative, Notional Amount			120,000,000.0
Interest Swap Position Four
Derivative [Line Items]
Derivative, Notional Amount			$ 80,000,000.0
Weighted Average Interest Rate			2.79%
Foreign Currency Risk
Derivative, Notional Amount			$ 80,000,000.0
Derivatives Not Designated as Hedges
Derivative, Notional Amount			80,000,000.0
Instruments in a Cash Flow Hedging Relationship | Commodity Contract | Forecast
Commodity Risk
Percentage of expected natural gas usage hedged	14.00%	51.00%
Derivative Contracts Designated as Hedging Instruments | Instruments in a Cash Flow Hedging Relationship | Interest rate contracts
Interest Rate Risk
Amounts of ineffectiveness			0	0
Amount excluded from the measure of effectiveness			0	0
Commodity Risk
Amounts excluded from the measure of effectiveness				0
Derivative Contracts Designated as Hedging Instruments | Instruments in a Cash Flow Hedging Relationship | Commodity Contract
Commodity Risk
Amounts excluded from the measure of effectiveness			0	0
Derivative Contracts Designated as Hedging Instruments | Instruments in a Cash Flow Hedging Relationship | Forward Exchange Contract
Derivative [Line Items]
Derivative, Notional Amount			87,600,000	51,600,000
Interest Rate Risk
Amount excluded from the measure of effectiveness			0	0
Commodity Risk
Amounts excluded from the measure of effectiveness				0
Foreign Currency Risk
Derivative, Notional Amount			87,600,000	51,600,000
Amounts reclassified into earnings connected to forecasted transactions no longer considered probable			0	0
Amount of ineffectiveness related to changes in the fair value of derivatives			0	0
Derivatives Not Designated as Hedges
Derivative, Notional Amount			87,600,000	51,600,000
Derivative Contracts Not Designated as Hedging Instruments | Forward Exchange Contract
Derivative [Line Items]
Derivative, Notional Amount			77,400,000	62,200,000
Foreign Currency Risk
Derivative, Notional Amount			77,400,000	62,200,000
Derivatives Not Designated as Hedges
Derivative, Notional Amount			$ 77,400,000	$ 62,200,000
Maximum | Derivative Contracts Not Designated as Hedging Instruments
Derivatives Not Designated as Hedges
Foreign currency forward exchange contract, term			3 months	3 months