Acquisitions and Divestitures - Acquisitions (Details) - USD ($) $ in Thousands		3 Months Ended
	Dec. 08, 2017	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Business Acquisition [Line Items]
Goodwill		$ 1,722,768		$ 1,704,158
thinXXS Microtechnology AG (thinXXS)
Business Acquisition [Line Items]
Aggregate purchase price, cash paid	$ 38,200
Long-term debt	1,200
Goodwill	25,000
Intangible assets	$ 10,600
Selling, general and administrative expenses
Business Acquisition [Line Items]
Acquisition-related transaction costs		$ 700	$ 100