Details of Foreign Exchange Contracts Pre-Tax Amounts (Detail) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Proceeds from Hedge, Investing Activities	$ (0.9)	$ 9.3
Document Period End Date	Apr. 02, 2016
Fair Value Hedging [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Derivative, Notional Amount	$ 950.0
Derivative, Loss on Derivative	3.0	3.8
Interest Expense, Debt	11.8	11.9
Net Investment Hedging | Foreign Exchange Contracts
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Derivative, Notional Amount	1,700.0
Proceeds from Hedge, Investing Activities	2.4	30.4
Net Investment Hedging | Foreign Exchange Contracts | Other Income And Expense [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Amount Recorded in OCI Gain (Loss)	2.6	36.9
Gain (Loss) Recognized in Income (Ineffective Portion)	0.0	$ 0.0
Net Investment Hedging | Currency Swap [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Derivative, Notional Amount	$ 250.0