Segment Reporting (Summary Of The Operating Information) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Oct. 01, 2011	Jul. 02, 2011	Apr. 02, 2011	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Segment Reporting Information [Line Items]
Revenue	$ 710,384	$ 676,482	$ 637,358	$ 641,212	$ 615,626	$ 571,640	$ 524,223	$ 491,664	$ 2,665,436	$ 2,203,153	$ 1,850,222
Cost of revenues									608,197	441,672	320,356
Operating expenses									1,485,577	1,301,683	1,170,533
Total costs and expenses									2,093,774	1,743,355	1,490,889
Operating earnings									571,662	459,798	359,333
Domestic Segment
Segment Reporting Information [Line Items]
Revenue									2,341,304	1,894,454	1,562,563
Cost of revenues									548,813	387,466	272,385
Operating expenses									506,249	439,465	417,181
Total costs and expenses									1,055,062	826,931	689,566
Operating earnings									1,286,242	1,067,523	872,997
Global Segment
Segment Reporting Information [Line Items]
Revenue									324,132	308,699	287,659
Cost of revenues									59,384	54,206	47,971
Operating expenses									131,580	126,997	124,546
Total costs and expenses									190,964	181,203	172,517
Operating earnings									133,168	127,496	115,142
Other
Segment Reporting Information [Line Items]
Revenue
Cost of revenues
Operating expenses									847,748	735,221	628,806
Total costs and expenses									847,748	735,221	628,806
Operating earnings									$ (847,748)	$ (735,221)	$ (628,806)