Segment Reporting (Summary Of The Operating Information) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2011	Jul. 03, 2010	Jul. 02, 2011	Jul. 03, 2010
Revenues	$ 524,223	$ 456,001	$ 1,015,887	$ 887,338
Cost of revenues	98,482	78,211	189,162	146,295
Operating expenses	317,768	291,438	625,053	579,035
Total costs and expenses	416,250	369,649	814,215	725,330
Operating earnings (loss)	107,973	86,352	201,672	162,008
Domestic Segment [Member]
Revenues	450,254	381,017	871,244	736,332
Cost of revenues	87,413	64,149	165,338	125,390
Operating expenses	106,126	104,335	211,475	209,058
Total costs and expenses	193,539	168,484	376,813	334,448
Operating earnings (loss)	256,715	212,533	494,431	401,884
Global Segment [Member]
Revenues	73,969	74,984	144,643	151,006
Cost of revenues	11,069	14,062	23,824	20,905
Operating expenses	31,671	34,382	60,770	64,095
Total costs and expenses	42,740	48,444	84,594	85,000
Operating earnings (loss)	31,229	26,540	60,049	66,006
Other Segment [Member]
Operating expenses	179,971	152,721	352,808	305,882
Total costs and expenses	179,971	152,721	352,808	305,882
Operating earnings (loss)	$ (179,971)	$ (152,721)	$ (352,808)	$ (305,882)