Business Segments - Information of Company's Reportable Segments 2 (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation From Segment Totals To Consolidated Abstract
Total segment operating earnings	$ 397,022,000	$ 333,588,000	$ 251,704,000
Combination-related expenses	(23,885,000)	(29,790,000)	(35,477,000)
Restructuring and related charges	(1,433,000)	(5,541,000)	(26,678,000)
Fair value step up of acquired inventory sold	(801,000)	(226,000)	(11,714,000)
Indefinite-lived intangible asset impairment	0	(38,000,000)	0
Non-operating and administrative expenses	(157,864,000)	(143,202,000)	(104,572,000)
Depreciation of corporate assets and amortization	(62,573,000)	(57,469,000)	(27,129,000)
Operating income	150,466,000	59,360,000	46,134,000
Other income (expense), net	18,851,000	(5,618,000)	(254,000)
Interest expense, net	(22,326,000)	(26,603,000)	(16,976,000)
Income before taxes and equity in net income of associated companies	$ 146,991,000	$ 27,139,000	$ 28,904,000