Acquisitions - Intangible Assets Acquired (Details) - USD ($) $ in Millions	Apr. 06, 2018	Oct. 05, 2017	Aug. 22, 2017	Jul. 05, 2017	Nov. 28, 2016	Nov. 30, 2015
Tec-Sem Group AG
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life of intangible assets	8 years 7 months 6 days
Tec-Sem Group AG | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 0.7
Useful life	9 years
Tec-Sem Group AG | Completed Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 8.4
Useful life	10 years
Tec-Sem Group AG | Order or Production Backlog
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 1.6
Useful life	1 year
4titude Limited
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life of intangible assets		10 years 4 months 24 days
4titude Limited | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired		$ 21.4
Useful life		10 years
4titude Limited | Completed Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired		$ 5.2
Useful life		13 years
4titude Limited | Order or Production Backlog
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired		$ 0.4
Useful life		1 year
4titude Limited | Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired		$ 0.2
Useful life		1 year
PBMMI and Novare
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life of intangible assets				11 years
PBMMI and Novare | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired				$ 8.5
PBMMI and Novare | Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired				$ 0.1
Cool Lab, LLC
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life of intangible assets					5 years 4 months 24 days
Cool Lab, LLC | Customer Relationships, Certain Customer
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired					$ 3.6
Useful life					3 years
Cool Lab, LLC | Other Customer Relationship
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired					$ 1.3
Useful life					10 years
Cool Lab, LLC | Completed Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired					$ 1.2
Useful life					8 years
RURO, Inc.
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired			$ 4.0
RURO, Inc. | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired			3.1
RURO, Inc. | Completed Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired			$ 0.9
BioStorage Technologies, Inc.
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life of intangible assets						10 years 7 months 6 days
BioStorage Technologies, Inc. | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired						$ 36.6
Useful life						11 years
BioStorage Technologies, Inc. | Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired						$ 4.9
Useful life						8 years