Goodwill and Intangible Assets - Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill
Balance at the beginning of the period	$ 320.4	$ 293.0	$ 275.7
Current period additions/adjustments	30.0	13.7	19.7
Foreign currency impact	(10.9)	13.7	(2.4)
Balance at the end of the period	339.5	320.4	293.0
Goodwill, Impairment Loss	3.1
BSI Life Science
Goodwill
Balance at the beginning of the period	92.1	84.2	72.0
Current period additions/adjustments	13.4		13.1
Foreign currency impact	(5.2)	7.9	(0.9)
Balance at the end of the period	100.3	92.1	84.2
BSI NANO
Goodwill
Balance at the beginning of the period	228.0	208.5	203.7
Current period additions/adjustments	16.6	13.7	6.3
Foreign currency impact	(5.7)	5.8	(1.5)
Balance at the end of the period	238.9	228.0	208.5
BEST
Goodwill
Balance at the beginning of the period	0.3	0.3
Current period additions/adjustments			0.3
Foreign currency impact			0.0
Balance at the end of the period	$ 0.3	$ 0.3	$ 0.3