Accumulated Other Comprehensive Income Details 1 (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income [Abstract]
Cross Currency Swap interest portion recognized in income	$ 400
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	531	$ 249
Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	(9,708)	1,586
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(9,177)	1,835
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	(1,710)	187
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	(7,467)	1,648
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent	6,529	4,493
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent	1,377	990
Income Tax Expense (Benefit)	35,751
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(2,315)	5,151
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	5,152	$ 3,503
Cross Currency Swap Revaluation Portion Recognized in Earnings	$ 9,300