Acquisitions and Divestitures - Divestitures (Details) - USD ($) $ in Thousands		3 Months Ended
	Mar. 12, 2021	Mar. 31, 2021	Mar. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income tax expense		$ 32,947	$ 25,501
Disposed of by Sale | CiDRA Precision Services
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of businesses, net of cash sold	$ 1,000
Gain on sale	500
Income tax expense	(100)
Revenue	$ 900