Accumulated Other Comprehensive Income (AOCI) (Schedule of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 863,049
Other comprehensive income/(loss) before reclassifications, net of tax	13,264	$ (29,642)
Interest (expense)/income related to swaps reclassified to the Consolidated Statements of Income, net of tax	(5,155)	2,139
Pension and postretirement liability adjustments reclassified to Consolidated Statements of Income, net of tax	(949)	(213)
Net current period other comprehensive income	7,160	(27,716)
Ending balance	910,457
Accumulated items of other comprehensive income
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(144,927)	(145,984)
Ending balance	(137,767)	(173,700)
Translation adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(146,851)	(105,880)
Other comprehensive income/(loss) before reclassifications, net of tax	11,313	(41,391)
Interest (expense)/income related to swaps reclassified to the Consolidated Statements of Income, net of tax	0	0
Pension and postretirement liability adjustments reclassified to Consolidated Statements of Income, net of tax	0	0
Net current period other comprehensive income	11,313	(41,391)
Ending balance	(135,538)	(147,271)
Pension and postretirement liability adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(15,783)	(38,490)
Other comprehensive income/(loss) before reclassifications, net of tax	(691)	521
Interest (expense)/income related to swaps reclassified to the Consolidated Statements of Income, net of tax	0	0
Pension and postretirement liability adjustments reclassified to Consolidated Statements of Income, net of tax	(949)	(213)
Net current period other comprehensive income	(1,640)	308
Ending balance	(17,423)	(38,182)
Derivative valuation adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	17,707	(1,614)
Other comprehensive income/(loss) before reclassifications, net of tax	2,642	11,228
Interest (expense)/income related to swaps reclassified to the Consolidated Statements of Income, net of tax	(5,155)	2,139
Pension and postretirement liability adjustments reclassified to Consolidated Statements of Income, net of tax	0	0
Net current period other comprehensive income	(2,513)	13,367
Ending balance	$ 15,194	$ 11,753