Accumulated Other Comprehensive Income (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax	$ 5,735	$ (3,419)	$ 10,179	$ 5,758
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	(1,090)	684	(1,911)	(1,026)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	4,645	(2,735)	8,268	4,732
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Tax, Portion Attributable to Parent	4,222	6,482	8,615	13,011
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax, Portion Attributable to Parent	908	1,367	1,852	2,744
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	3,314	5,115	6,763	10,267
Interest Rate Swap [Member]
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	0	543	352	1,074
Cross Currency Swap [Member]
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	(5,735)	$ 2,876	(10,531)	$ (6,832)
Foreign Currency Transaction Gain (Loss), Unrealized	5,000		9,400
Interest Income, Other	$ 700		$ 1,100