Derivative Instruments and Hedging Activities - Balance Sheet Location (Details) - Foreign currency forward contracts - USD ($) $ in Millions	Mar. 30, 2019	Dec. 31, 2018
Designated derivatives: | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 0.6	$ 2.0
Designated derivatives: | Accrued liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	4.2	6.4
Non-designated derivatives: | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	2.6	1.8
Non-designated derivatives: | Accrued liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	$ 1.6	$ 2.8