Business Segment Information - Schedule of Revenue, Operating Income and Total Assets by Reportable Segment (Details)		3 Months Ended		6 Months Ended
		Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) Segment	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Business segment information
Number of reportable segments | Segment				3
Total revenue		$ 588,400,000	$ 570,800,000	$ 1,183,400,000	$ 1,125,500,000
Operating Income (loss)		73,900,000	85,600,000	170,400,000	174,700,000
Assets		3,384,800,000		3,384,800,000		$ 3,650,000,000.0
Operating segments
Business segment information
Assets		3,298,300,000		3,298,300,000		3,560,500,000
Eliminations
Business segment information
Total revenue		(3,100,000)	(2,900,000)	(7,300,000)	(6,800,000)
Corporate, eliminations and other
Business segment information
Operating Income (loss)		(17,500,000)	(15,800,000)	(35,800,000)	(32,000,000.0)
Assets	[1]	(6,600,000)		(6,600,000)		(8,400,000)
BSI Life Science | Operating segments
Business segment information
Total revenue		350,100,000	341,800,000	711,100,000	693,600,000
Operating Income (loss)		70,200,000	73,600,000	156,100,000	162,500,000
BSI Nano | Operating segments
Business segment information
Total revenue		182,200,000	175,300,000	360,700,000	329,700,000
Operating Income (loss)		14,600,000	21,000,000.0	36,900,000	33,300,000
BEST | Operating segments
Business segment information
Total revenue		59,200,000	56,600,000	118,900,000	109,000,000.0
Operating Income (loss)		6,600,000	$ 6,800,000	13,200,000	$ 10,900,000
Assets		$ 93,100,000		$ 93,100,000		$ 97,900,000

[1] Assets not allocated to the reportable segments and eliminations of intercompany transactions.