Fair Value Measurements (Details) (USD $) In Thousands	Jul. 03, 2011	Jan. 02, 2011	Jan. 03, 2010
Marketable equity securities	$ 325,805	$ 340,910	$ 353,884
7.25% unsecured notes	396,858	396,650
Fair Value Measurements, Recurring [Member]
Money market investments	100,324
Marketable equity securities	325,805
Other current investments	40,335
Deferred compensation plan liabilities	65,941
7.25% unsecured notes	463,080
Total financial liabilities	529,021
Fair Value Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Items (Level 1) [Member]
Money market investments
Marketable equity securities	325,805	340,910
Other current investments	14,529	11,835
Total financial assets		352,745
Deferred compensation plan liabilities
7.25% unsecured notes
Total financial liabilities
Fair Value Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Money market investments	100,324	308,927
Marketable equity securities
Other current investments	25,806	21,005
Total financial assets		329,932
Deferred compensation plan liabilities	65,941	69,226
7.25% unsecured notes	463,080	457,200
Total financial liabilities	529,021	526,426
Fair Value [Member]
Money market investments		308,927
Marketable equity securities		340,910
Other current investments		32,840
Total financial assets		682,677
Deferred compensation plan liabilities		69,226
7.25% unsecured notes		457,200
Total financial liabilities		$ 526,426