Financing Arrangements (Details Textuals) (USD $)	9 Months Ended			3 Months Ended			1 Months Ended	3 Months Ended	9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Dec. 30, 2012	Sep. 29, 2013 1% Sr. Convertible Notes due 2013 [Member]	Jun. 30, 2013 1% Sr. Convertible Notes due 2013 [Member]	Dec. 30, 2012 1% Sr. Convertible Notes due 2013 [Member]	Aug. 31, 2010 1.5% Sr. Convertible Notes due 2017 [Member]	Sep. 29, 2013 1.5% Sr. Convertible Notes due 2017 [Member]	Sep. 29, 2013 1.5% Sr. Convertible Notes due 2017 [Member]	Dec. 30, 2012 1.5% Sr. Convertible Notes due 2017 [Member]
Debt Instrument
Convertible debt, par value				$ 0		$ 928,061,000	$ 1,000,000,000	$ 1,000,000,000	$ 1,000,000,000	$ 1,000,000,000
Debt Instrument, Interest Rate, Effective Percentage				7.40%		7.40%	6.85%	6.85%	6.85%	6.85%
Convertible Senior Notes, issuance date							Aug. 20, 2010
Convertible Senior Notes, due date				May 15, 2013			Aug. 15, 2017
Convertible senior notes, interest rate							1.50%
Conversion rate, number of share converted							19.0931	19.1687
Conversion of notes, base conversion price							1,000	1,000
Conversion price per share							$ 52.37	$ 52.16	$ 52.16
Net proceeds from the offering of the Notes due							981,000,000
Principal amount of the liability component							706,000,000
Carrying value of the equity component							294,000,000	294,000,000	294,000,000	294,000,000
Debt Instrument, Unamortized Bond Discount				0		21,353,000		180,319,000	180,319,000	210,087,000
Remaining amortization period of convertible debt									3 years 11 months
Unamortized Debt Issuance Expense	7,296,000		8,708,000
Debt Redemption
Extinguishment of Debt, Amount	(928,061,000)	0		928,100,000
Interest Payable				$ 4,600,000
Warrants
Exercise price of warrants							73.33	73.0357	73.0357
Number of shares counterparties can purchase from entity							19,100,000	19,200,000
Expiry period of Warrants									40 different dates from November 13, 2017 through January 10, 2018
Number of warrants exercised					0
Convertible Bond Hedge
Bond hedge options, exercise price							$ 52.37	$ 52.16
Number of shares an entity can purchase from counterparties							19,100,000	19,200,000
Number of shares purchased under bond hedge					0			0	0