Acquisitions and Divestitures - Divestitures (Details) - USD ($)		3 Months Ended								10 Months Ended	12 Months Ended
	Oct. 31, 2017	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Oct. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of businesses, net of cash sold											$ 0	$ 0	$ 21,795,000
Income tax expense											107,382,000	118,366,000	118,016,000
Net sales		$ 605,997,000	$ 624,246,000	$ 642,099,000	$ 622,231,000	$ 614,094,000	$ 622,888,000	$ 634,360,000	$ 612,324,000		$ 2,494,573,000	$ 2,483,666,000	$ 2,287,312,000
Faure Herman subsidiary | Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of businesses, net of cash sold	$ 21,800,000
Gain on sale of businesses - net	9,300,000
Income tax expense	$ 0
Net sales										$ 14,100,000