Derivative Instruments and Hedging Activities - Balance Sheet Location (Details) - Foreign currency forward contracts - USD ($) $ in Millions	Apr. 01, 2017	Dec. 31, 2016
Designated derivatives: | Other current assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 3.0	$ 3.1
Designated derivatives: | Accrued liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	1.9	3.0
Non-designated derivatives: | Other current assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	3.5	0.7
Non-designated derivatives: | Accrued liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	$ 0.6	$ 2.0