Convertible Senior Notes (Details) (USD $)	3 Months Ended			6 Months Ended		3 Months Ended			6 Months Ended			6 Months Ended			1 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Jul. 01, 2007	Dec. 30, 2012	Jan. 01, 2012	Dec. 30, 2012 Convertible Debt [Member] The Notes [Member]	Jan. 01, 2012 Convertible Debt [Member] The Notes [Member]	Jul. 01, 2007 Convertible Debt [Member] The Notes [Member]	Dec. 30, 2012 Convertible Debt [Member] The Notes [Member]	Jan. 01, 2012 Convertible Debt [Member] The Notes [Member]	Jul. 01, 2012 Convertible Debt [Member] The Notes [Member]	Dec. 30, 2012 Convertible Debt [Member] 2027A notes [Member]	Sep. 27, 2009 Convertible Debt [Member] 2027A notes [Member]	Jul. 01, 2007 Convertible Debt [Member] 2027A notes [Member]	Nov. 30, 2010 Convertible Debt [Member] 2027B notes [Member]	Jul. 01, 2007 Convertible Debt [Member] 2027B notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount														$ 1,000,000,000		$ 700,000,000
Net proceeds from issuance								1,678,000,000
Costs deducted at issuance								22,000,000
Accelerated stock repurchase program, authorized amount			3,000,000,000
Convertible senior notes amount redeemed for cash and marketable securities															395,800,000
Convertible senior notes amount repurchased												154,900,000
Convertible senior notes debt outstanding												845,100,000
Shares related to the Notes included in computation of diluted earnings per share				0
Conversion rate												23.770
Debt Instrument, Convertible, Principal Amount												1,000
Stated interest rate of the Notes														3.00%		3.125%
Effective interest rate of the Notes													5.69%
Carrying values of the liability and equity components of the Notes:
Principal amount of the Notes						845,088,000			845,088,000		845,088,000
Unamortized discount of liability component						(29,123,000)			(29,123,000)		(39,489,000)
Carrying value of liability component						815,965,000			815,965,000		805,599,000
Equity component-net carrying value						122,639,000			122,639,000		122,639,000
Interest expense related to the Notes:
Contractual coupon interest						6,338,000	6,338,000		12,676,000	12,676,000
Amortization of debt discount	5,219,000	4,931,000		10,365,000	9,793,000	5,219,000	4,931,000		10,365,000	9,793,000
Amortization of debt issuance costs						475,000	475,000		949,000	949,000
Total interest expense related to the Notes						$ 12,032,000	$ 11,744,000		$ 23,990,000	$ 23,418,000