Business Acquisitions and Dispositions - Narrative (Details) - USD ($)		1 Months Ended	3 Months Ended		9 Months Ended
	Feb. 02, 2018	Aug. 31, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Business Acquisition [Line Items]
Gain on sale of business			$ 21,700,000	$ 0	$ 21,700,000	$ 0
Haefely | Disposed of by sale
Business Acquisition [Line Items]
Proceeds from disposal of business		$ 38,100,000
Dispositions, tangible assets		32,300,000
Dispositions, goodwill		3,100,000
Dispositions, liabilities		12,200,000
Dispositions, currency translation adjustment		$ 7,700,000
Line of Credit | Term Loan Agreement
Business Acquisition [Line Items]
Face amount	$ 500,000,000
Senior Notes | Notes 2028 Term
Business Acquisition [Line Items]
Face amount	$ 450,000,000
Interest rate, stated percentage	3.50%
Aclara
Business Acquisition [Line Items]
Consideration transferred to acquire business	$ 1,100,000,000
Net sales						429,700,000
Operating income of acquiree since acquisition						$ 12,800,000