Other Comprehensive Income

6 Months Ended

Jun. 30, 2021

Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The following table presents changes in accumulated other comprehensive income by component for the six months ended June 30, 2021 and 2020:

	Currency Translation Adjustment, Net of Tax		Net Unrealized Gain (Loss) on Cash Flow Hedging Arrangements, Net of Tax		Pension and Post-Retirement Benefit Related Items, Net of Tax		Total
Balance at December 31, 2020	$	(31,101)	$	(1,479)	$	(302,345)	$	(334,925)
Other comprehensive income (loss), net of tax:
Unrealized gains (losses) cash flow hedging arrangements	—		5,934		—		5,934
Foreign currency translation adjustment	11,717		—		9,147		20,864
Amounts recognized from accumulated other comprehensive income (loss), net of tax	—		(4,732)		10,267		5,535
Net change in other comprehensive income (loss), net of tax	11,717		1,202		19,414		32,333
Balance at June 30, 2021	$	(19,384)	$	(277)	$	(282,931)	$	(302,592)

Disclosure of Reclassification Amount [Text Block]

The following table presents amounts recognized from accumulated other comprehensive income (loss) for the three and six month periods ended June 30:

	Three Months Ended
	June 30,
	2021		2020		Location of Amounts Recognized in Earnings
Effective portion of (gains) / losses on cash flow hedging arrangements:
Interest rate swap agreements	$	543	$	692	Interest expense
Cross currency swap agreement	2,876		34		(a)
Total before taxes	3,419		726
Provision for taxes	684		179		Provision for taxes
Total, net of taxes	$	2,735	$	547
Recognition of defined benefit pension and post-retirement items:
Recognition of actuarial losses and prior service cost, before taxes	$	6,482	$	4,596	(b)
Provision for taxes	1,367		1,000		Provision for taxes
Total, net of taxes	$	5,115	$	3,596

Schedule of Comprehensive Income (Loss) [Table Text Block]

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