Convertible Senior Notes (Details Textual) (USD $) Share data in Millions, except Per Share data, unless otherwise specified			12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 29, 2013 2016 Notes [Member]	Jan. 01, 2012 2016 Notes [Member]	Dec. 29, 2013 2014 Notes [Member]	Dec. 30, 2007 2014 Notes [Member]	Dec. 30, 2007 Warrant [Member] 2014 Notes [Member]
Debt Instrument [Line Items]
Issuance of convertible senior notes				$ 920,000,000		$ 400,000,000
Interest rate on convertible senior notes				0.25%		0.625%
Debt issuance price as a percentage of principal				98.25%
Debt issuance costs				400,000
Amortization period for debt issuance cost				5 years
Conversion rate per 1,000 principal amount of notes				11.9687
Principal amount used in calculating incremental share settlement amount				1,000
Conversion Price				$ 83.55
Circumstances of converting notes at referred conversion ratio				(1) during the five business-day period after any 10 consecutive trading day period (the “measurement period”) in which the trading price per 2016 Note for each day of such measurement period was less than 98% of the product of the last reported sale price of the Company’s common stock and the conversion rate on each such day; (2) during any calendar quarter (and only during that quarter) after the calendar quarter ending March 31, 2011, if the last reported sale price of the Company’s common stock for 20 or more trading days in the period of 30 consecutive trading days ending on the last trading day of the immediately preceding calendar quarter exceeds 130% of the applicable conversion price in effect on the last trading day of the immediately preceding calendar quarter; (3) upon the occurrence of specified events described in the indenture for the 2016 Notes; and (4) at any time on or after December 15, 2015 through the second scheduled trading day immediately preceding the maturity date.
Number of business days 2016 notes are convertible after measurement period				20 days
Number of consecutive trading days in the measurement period				20 days
Conversion triggering common stock trading price as a percentage of price last reported in Measurement period converted at conversion rate				less than 98%
Number of days in which common stock prices needed to exceed triggering price in order to trigger conversion				20 or more
Number of consecutive trading days on which trading price is examined for triggering of conversion				30 days
Conversion triggering common stock price as a percentage of applicable conversion price in effect on the last trading day of the immediately preceding calendar quarter				exceeds 130%
Maximum payment on principal portion to be cash settled upon conversion				1,000
Debt Instrument, Maturity Date				Mar. 15, 2016		Feb. 15, 2014
Repurchase Price as a Percentage of Principal Amount upon designated events				100.00%
Effective interest rate used to measure fair value of convertible senior note				4.50%		8.30%
Fair value of liability component at issuance				748,500,000
Carrying value of equity component, net of debt issuance cost	274,304,000	271,966,000		155,400,000
Cash proceeds				903,900,000
If-converted value in excess of principal			209,000,000		109,300,000
Maximum Shares Entitles to Purchase Shares Under Hedge Transaction Upon Issuance of Convertible Senior Notes						18.3
Strike price under hedge transaction upon issuance of the convertible senior notes						$ 21.83
Class of Warrant or Right, Outstanding							18.3
Class of Warrant or Right, Exercise Price of Warrants or Rights1	$ 31.435						$ 31.435
Principal amount of convertible notes outstanding	$ 949,570,000	$ 960,125,000			$ 29,600,000
Maximum shares entitles to purchase shares under hedge transaction upon issuance of convertible senior notes outstanding principal					1.4