Acquisitions - Reportable Segment for Acquisitions (Details) - USD ($) $ in Millions						9 Months Ended
	Aug. 07, 2020	Apr. 01, 2020	Jul. 01, 2019	Mar. 07, 2019	Mar. 04, 2019	Sep. 30, 2020	Sep. 30, 2019
Acquisitions
Cash Consideration						$ 58.8	$ 79.0
Acquisitions In 2020
Acquisitions
Consideration						6.1
Cash Consideration						$ 5.4
2019 Acquisitions
Acquisitions
Consideration							27.5
Cash Consideration							$ 24.3
Smart Tip B.v. | BSI NANO
Acquisitions
Consideration		$ 3.1
Cash Consideration		$ 2.4
Integrated Proteomics Applications, Inc. | BSI Life Science
Acquisitions
Consideration	$ 3.0
Cash Consideration	$ 3.0
Arxspan, LLC | BSI Life Science
Acquisitions
Consideration					$ 16.6
Cash Consideration					$ 14.4
Ampegon PPT GmbH | BEST
Acquisitions
Consideration				$ 2.0
Cash Consideration				$ 2.0
PMOD Technologies GmbH | BSI Life Science
Acquisitions
Consideration			$ 8.9
Cash Consideration			$ 7.9