Derivative Instruments and Hedging Activities - Additional Information (Detail) (USD $)	9 Months Ended
	Sep. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Expected months of hedging of inter company sales of inventory to minimize the effects of foreign exchange rate movements	30 months
Minimum notional amounts of foreign currency forward exchange contracts	$ 1,200,000,000
Maximum notional amounts of foreign currency forward exchange contracts	1,700,000,000
Fair value of outstanding derivative instruments, net unrealized gain deferred in other comprehensive income	48,000,000
Fair value of outstanding derivative instruments, net unrealized gain expected to be reclassified to earnings	23,300,000
Fair value of outstanding derivative instruments, unrealized gain net of taxes expected to be reclassified to earnings	12,200,000
U.S. Dollars [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount, Total	1,514,000,000
Swiss Francs [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount, Total	333,100,000
Senior Notes due 2019 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount, Total	250,000,000
Interest rate of Senior Notes	4.625%
Description of terms of Interest rate Derivatives terms	Receive a fixed interest rate of 4.625 percent and pay variable interest equal to the three-month LIBOR plus an average of 133 basis points
Description of variable interest rate basis	Three-month LIBOR
Interest rate swap basis spread on variable rate	1.33%
Senior Notes due 2021 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount, Total	300,000,000
Interest rate of Senior Notes	3.375%
Description of terms of Interest rate Derivatives terms	Receive a fixed interest rate of 3.375 percent and pay variable interest equal to the three-month LIBOR plus an average of 99 basis points
Description of variable interest rate basis	Three-month LIBOR
Interest rate swap basis spread on variable rate	0.99%
Cash flow hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Fair value of outstanding derivative instruments, unrealized gain net of taxes deferred in other comprehensive income	$ 26,600,000