Accumulated Other Comprehensive Income (AOCI) (Schedule of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 873,967
Other comprehensive income/(loss) before reclassifications, net of tax	(29,642)	$ (2,050)
Interest expense related to swaps reclassified to the Consolidated Statements of Income, net of tax	2,139	2,408
Pension and postretirement liability adjustments reclassified to Consolidated Statements of Income, net of tax	(213)	(14)
Net current period other comprehensive income	(27,716)	344
Ending balance	817,673
Accumulated items of other comprehensive income
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(145,984)	(132,408)
Ending balance	(173,700)	(132,064)
Translation adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(105,880)	(83,203)
Other comprehensive income/(loss) before reclassifications, net of tax	(41,391)	(2,181)
Interest expense 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	(41,391)	(2,181)
Ending balance	(147,271)	(85,384)
Pension and postretirement liability adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(38,490)	(39,661)
Other comprehensive income/(loss) before reclassifications, net of tax	521	393
Interest expense 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	(213)	(14)
Net current period other comprehensive income	308	379
Ending balance	(38,182)	(39,282)
Derivative valuation adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(1,614)	(9,544)
Other comprehensive income/(loss) before reclassifications, net of tax	11,228	(262)
Interest expense related to swaps reclassified to the Consolidated Statements of Income, net of tax	2,139	2,408
Pension and postretirement liability adjustments reclassified to Consolidated Statements of Income, net of tax	0	0
Net current period other comprehensive income	13,367	2,146
Ending balance	$ 11,753	$ (7,398)