Business Segment Information - Schedule of Revenue, Operating Income and Total Assets by Reportable Segment (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Business segment information
Operating (loss) income		$ 48.1	$ 86.2	$ 112.9	$ 208.9
Assets		5,902.6		5,902.6		$ 4,249.9
Operating segments
Business segment information
Assets		5,764.8		5,764.8		4,110.6
Corporate, eliminations and other
Business segment information
Operating (loss) income	[1]	(31.6)	(24.0)	(58.0)	(43.7)
Assets	[2]	(41.6)		(41.6)		(46.7)
BSI BioSpin | Operating segments
Business segment information
Operating (loss) income		37.3	23.8	68.5	71.2
BSI CALID | Operating segments
Business segment information
Operating (loss) income		35.5	44.0	76.6	101.6
BSI Nano | Operating segments
Business segment information
Operating (loss) income		(3.6)	31.3	7.2	60.7
BEST | Operating segments
Business segment information
Operating (loss) income		10.5	$ 11.1	18.6	$ 19.1
Assets		$ 179.4		$ 179.4		$ 186.0

[1] Represents corporate costs and eliminations not allocated to the reportable segments. Unallocated costs include general and administrative expenses not directly incurred by the segments such as professional fees incurred for the quarterly reviews and annual audit of the consolidated financial statements, personnel costs of corporate accounting, finance, legal and IT resources, and other expense items.

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