Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Segment Reporting Information [Line Items]
Total Revenue	$ 851,762	$ 707,561	$ 1,636,523	$ 1,387,590
Cost of Goods and Services Sold	162,369	125,800	291,468	253,029
Operating Expenses	497,760	415,305	975,419	811,536
Total Costs and Expenses	660,129	541,105	1,266,887	1,064,565
Operating Earnings	191,633	166,456	369,636	323,025
Domestic Segment [Member]
Segment Reporting Information [Line Items]
Total Revenue	766,763	618,991	1,464,467	1,195,630
Cost of Goods and Services Sold	147,776	113,099	263,121	219,796
Operating Expenses	165,653	143,111	326,719	290,867
Total Costs and Expenses	313,429	256,210	589,840	510,663
Operating Earnings	453,334	362,781	874,627	684,967
Global Segment [Member]
Segment Reporting Information [Line Items]
Total Revenue	84,999	88,570	172,056	191,960
Cost of Goods and Services Sold	14,593	12,701	28,347	33,233
Operating Expenses	34,962	24,977	68,304	50,607
Total Costs and Expenses	49,555	37,678	96,651	83,840
Operating Earnings	35,444	50,892	75,405	108,120
Other Segment [Member]
Segment Reporting Information [Line Items]
Total Revenue	0	0	0	0
Cost of Goods and Services Sold	0	0	0	0
Operating Expenses	297,145	247,217	580,396	470,062
Total Costs and Expenses	297,145	247,217	580,396	470,062
Operating Earnings	$ (297,145)	$ (247,217)	$ (580,396)	$ (470,062)