Credit Facility and Long-Term Debt (Detail 2) (USD $)	0 Months Ended
	Oct. 29, 2013	May 08, 2012	Mar. 28, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	$ (8,200,000)	$ (800,000)
Carrying amount			1,491,789,000	1,491,466,000
Proceeds from issuance of long term debt	991,800,000	499,200,000
Debt Issuance Cost	5,500,000	3,700,000
Senior Notes [Member] | One Point Seven Five Percent Senior Note Maturing May 15, 2017 [Member]
Debt Instrument [Line Items]
Due Date		May 15, 2017
Coupon rate		1.75%
Effective interest rate		1.94%
Principal Amount		500,000,000	500,000,000	500,000,000
Debt Instrument, Unamortized Discount			(472,000)	(510,000)
Carrying amount			499,528,000	499,490,000
Debt Instrument, Fair Value Disclosure			503,721,000	501,310,000
Senior Notes [Member] | Two Point Five Percent Senior Notes [Member]
Debt Instrument [Line Items]
Due Date	Nov. 15, 2018
Coupon rate	2.50%
Effective interest rate	2.71%
Principal Amount	600,000,000		600,000,000	600,000,000
Debt Instrument, Unamortized Discount			(2,920,000)	(3,080,000)
Carrying amount			597,080,000	596,920,000
Debt Instrument, Fair Value Disclosure			602,370,000	598,836,000
Senior Notes [Member] | Four Point One Percent Senior Notes Maturing November 15, 2023 [Member]
Debt Instrument [Line Items]
Due Date	Nov. 15, 2023
Coupon rate	4.10%
Effective interest rate	4.29%
Principal Amount	400,000,000		400,000,000	400,000,000
Debt Instrument, Unamortized Discount			(4,819,000)	(4,944,000)
Carrying amount			395,181,000	395,056,000
Debt Instrument, Fair Value Disclosure			$ 405,328,000	$ 392,680,000