Dispositions (Details) $ in Thousands, € in Millions		3 Months Ended								12 Months Ended
	Jun. 29, 2018 site	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2019 USD ($) site	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2016 EUR (€)	Jul. 06, 2017 USD ($)	May 02, 2017 USD ($)	May 02, 2017 EUR (€)
Business Acquisition [Line Items]
Gain (loss) on sale of businesses										$ 0	$ (7,727)	$ 141,317
Inventory write-down										17,100	16,200	22,900
Earnings before income taxes		$ 86,700	$ 96,200	$ 82,900	$ 76,100	$ 78,600	$ 44,400	$ 28,300	$ 25,000	$ 341,850	176,274	263,007
Vogt
Business Acquisition [Line Items]
Cash received at closing															$ 28,000
Revenue from disposal groups													$ 17,000
Earnings before income taxes													4,000
Gestra
Business Acquisition [Line Items]
Gain (loss) on sale of businesses												130,200
Cash received at closing																$ 203,600	€ 178.3
Revenue from disposal groups													101,000	€ 92.0
Gain (loss) on disposal, net of tax												79,400
Income tax attributable to disposal group													$ 17,000	€ 15.0
Vogt
Business Acquisition [Line Items]
Gain (loss) on sale of businesses												11,100
FPD
Business Acquisition [Line Items]
Divestiture of locations | site	2									2
Pre-tax impairment charge								17,400			$ 25,100
Gain (loss) on sale of businesses							7,700
Inventory write-down								7,700
Asset impairment charges								$ 9,700
Cash transfer from sale, net							$ 3,700
Amount of revenue attributable to product lines												$ 42,000