Property, Plant and Equipment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2018	Mar. 31, 2017	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Total gross book value	$ 1,078.6		$ 1,062.2
Less accumulated depreciation	(552.5)		(531.9)
Total net book value	526.1		530.3
Depreciation expense	15.7	$ 17.5
Land
Property, Plant and Equipment [Line Items]
Total gross book value	44.7		44.0
Buildings and leasehold improvements
Property, Plant and Equipment [Line Items]
Total gross book value	227.2		223.4
Machinery, equipment and office furnishings
Property, Plant and Equipment [Line Items]
Total gross book value	774.2		755.8
Construction in progress
Property, Plant and Equipment [Line Items]
Total gross book value	$ 32.5		$ 39.0