Acquisition - Summary of Purchase Price (Detail) - USD ($) $ in Millions			12 Months Ended
	Jul. 15, 2021	Feb. 01, 2019	Dec. 31, 2021	Dec. 31, 2019
Business Acquisition [Line Items]
Total purchase price, net of cash and cash equivalents acquired			$ 268.4	$ 988.6
Photon Control Inc [Member]
Business Acquisition [Line Items]
Cash paid for outstanding shares	$ 302.7
Less: Cash and cash equivalents acquired	(34.3)
Total purchase price, net of cash and cash equivalents acquired	$ 268.4
Electro Scientific Industries Inc [Member]
Business Acquisition [Line Items]
Cash paid for outstanding shares		$ 1,032.7
Settlement of share-based compensation awards		30.6
Total purchase price		1,063.3
Less: Cash and cash equivalents acquired		(44.1)
Total purchase price, net of cash and cash equivalents acquired		$ 1,019.2