Derivative Financial Instruments - Fair Values of Derivative Instruments (Details) - USD ($) $ in Millions		Sep. 30, 2016		Jan. 01, 2016
Derivatives, Fair Value [Line Items]
Foreign currency cash flow hedge gain (loss) to be reclassified during next 12 months		$ 0.6
Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign currency forward contracts, net asset	[1]	2.4	[2]	$ 11.9
Total Asset Derivatives [Member]
Derivatives, Fair Value [Line Items]
Foreign currency forward contracts, net asset	[1]	2.4	[2]	11.9
Accounts Payable and Accrued Expenses [Member]
Derivatives, Fair Value [Line Items]
Foreign currency forward contracts, net asset	[1]	1.8	[2]	0.0
Total Liability Derivatives [Member]
Derivatives, Fair Value [Line Items]
Foreign currency forward contracts, net asset	[1]	$ 1.8	[2]	$ 0.0

[1] See Note 16, "Fair Value Measurements", for fair value disclosures.

[2] We expect that $0.6 million of the net fair value of hedges recognized as a gain in accumulated other comprehensive income ("AOCI") will be transferred to earnings during the next 12 months, along with the earnings effect of the related forecasted transactions.