Acquisitions - 2017, Consideration (Details) € in Millions, $ in Millions			12 Months Ended
	May 05, 2017 EUR (€)	May 05, 2017 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Acquisitions
Cash Consideration			$ 90.0	$ 191.6	$ 66.3
2017 Acquisitions
Acquisitions
Consideration					71.3
Cash Consideration					66.3
InVivo Biotech Svs GmbH
Acquisitions
Consideration					9.1
Cash Consideration					9.1
Hysitron, Incorporated
Acquisitions
Consideration					28.8
Cash Consideration					27.2
Luxendo GmbH
Acquisitions
Consideration					21.9
Cash Consideration	€ 17	$ 18.8			18.8
XGLab S.r.l.
Acquisitions
Consideration					5.5
Cash Consideration					5.5
Other
Acquisitions
Consideration					6.0
Cash Consideration					$ 5.7