Goodwill and Intangible Assets - Goodwill (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Goodwill
Balance at the beginning of the period	$ 339,500,000	$ 320,400,000	$ 293,000,000.0
Current period additions/adjustments	131,900,000	30,000,000.0	13,700,000
Foreign currency impact	(13,800,000)	(10,900,000)	13,700,000
Balance at the end of the period	457,600,000	339,500,000	320,400,000
Asset Impairment	0	0	0
Goodwill, Impairment Loss	3,100,000
BSI BioSpin
Goodwill
Balance at the beginning of the period	42,400,000	30,800,000	27,500,000
Current period additions/adjustments	18,600,000	12,800,000
Foreign currency impact	(3,200,000)	(1,200,000)	3,300,000
Balance at the end of the period	57,800,000	42,400,000	30,800,000
BSI CALID
Goodwill
Balance at the beginning of the period	57,900,000	61,300,000	56,700,000
Current period additions/adjustments	55,300,000	600,000
Foreign currency impact	(5,800,000)	(4,000,000.0)	4,600,000
Balance at the end of the period	107,400,000	57,900,000	61,300,000
BSI NANO
Goodwill
Balance at the beginning of the period	238,900,000	228,000,000.0	208,500,000
Current period additions/adjustments	58,000,000.0	16,600,000	13,700,000
Foreign currency impact	(4,800,000)	(5,700,000)	5,800,000
Balance at the end of the period	292,100,000	238,900,000	228,000,000.0
BEST
Goodwill
Balance at the beginning of the period	300,000	300,000	300,000
Foreign currency impact			0
Balance at the end of the period	$ 300,000	$ 300,000	$ 300,000