Derivative Instruments and Hedging Activities - Amount of Gain/(Loss) Recognized against Earnings (Ineffective Portion) (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Jun. 27, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized against Earnings (Ineffective Portion)	$ 0.1	$ 1.3	$ 0.3	$ (1.0)
Treasury locks | Other expense (Income), net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized against Earnings (Ineffective Portion)	0.0	0.0	0.0	(0.4)
Interest rate swap agreements | Other expense (Income), net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized against Earnings (Ineffective Portion)	0.0	0.0	(0.1)	(0.7)
Foreign currency forward contracts | Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized against Earnings (Ineffective Portion)	(0.1)	0.2	(0.1)	(0.1)
Foreign currency forward contracts | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized against Earnings (Ineffective Portion)	0.2	0.1	(0.1)	0.2
Foreign currency forward contracts | Other expense (Income), net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized against Earnings (Ineffective Portion)	$ 0.0	$ 1.0	$ 0.6	$ 0.0