Acquisitions, Acquisition-related Expenses (Details) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Jun. 30, 2017	Sep. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Acquisitions
Acquisition-related expenses	$ 4.0			$ 4.0	$ 36.6	$ 5.7
Acquisition-related expenses, net of tax	$ 3.7
FCI Asia Pte Ltd (“FCI”)
Acquisitions
Acquisition-related expenses			$ 30.3
Acquisition-related expenses, net of tax			$ 27.3			$ 5.7
Other
Acquisitions
Acquisition-related expenses		$ 6.3
Acquisition-related expenses, net of tax		$ 5.8