Derivative Instruments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013	Dec. 31, 2013
Cash-flow hedges [Member] | Designated as hedging instrument [Member]
Derivative [Line Items]
Maturity period of forward contract	Within twelve months
Total notional value of the Company's outstanding forward contracts	$ 21.9		$ 42.7
Other foreign-currency derivatives [Member] | Not designated as hedging instrument [Member]
Derivative [Line Items]
Maturity period of forward contract	Within three months
Total notional value of the Company's outstanding forward contracts	54.0		56.0
Gains (losses) on other foreign-currency derivatives recognized in interest income and other, net	$ 0.1	$ (1.2)