Acquisitions - Consideration transferred and reportable segment (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Business Acquisition [Line Items]
Cash Consideration	$ 45.0	$ 58.8
Investments in Businesses [Member]
Business Acquisition [Line Items]
Consideration	4.5
Cash Consideration	4.5
Creative Instruments | BSI Life Science
Business Acquisition [Line Items]
Consideration	1.0
Cash Consideration	1.0
SVXR, Inc. | BSI NANO
Business Acquisition [Line Items]
Consideration	14.0
Cash Consideration	11.9
Glycopath Inc. | BSI Life Science | Investments in Businesses [Member]
Business Acquisition [Line Items]
Consideration	2.0
Cash Consideration	2.0
IonPath Inc | BSI Life Science | Investments in Businesses [Member]
Business Acquisition [Line Items]
Consideration	2.0
Cash Consideration	2.0
Olaris, Inc. | BSI Life Science | Investments in Businesses [Member]
Business Acquisition [Line Items]
Consideration	0.5
Cash Consideration	0.5
Acquisitions in 2021
Business Acquisition [Line Items]
Consideration	15.0
Cash Consideration	$ 12.9