General (Components Of Other Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2012	Jul. 01, 2011	Jun. 29, 2012	Jul. 01, 2011
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Foreign currency translation adjustments, Before income tax amount	$ (256,100)	$ 112,700	$ (100,100)	$ 365,700
Foreign currency translation adjustments, Income tax expense	0	0	0	0
Foreign currency translation adjustments, Net of income tax amount	(256,149)	112,712	(100,107)	365,729
Pension and postretirement plan benefit adjustment, Before income tax	9,200	7,400	20,300	14,800
Pension and postretirement plan benefit adjustment, Income tax expense	(3,400)	(2,600)	(7,400)	(5,200)
Pension and postretirement plan benefit adjustment, Net of income tax amount	5,763	4,789	12,944	9,578
Unrealized gain on available-for-sale securities, Before income tax amount	33,300	28,000	78,600	41,100
Unrealized gain on available-for-sale securities, Income tax expense	(12,500)	(9,700)	(29,500)	(14,400)
Unrealized gain on available-for-sale securities, Net of income tax amount	20,800	18,300	49,100	26,700
Total other comprehensive income, Before income tax amount	(213,600)	148,100	(1,200)	421,600
Total other comprehensive income, Income tax expense	(15,900)	(12,300)	(36,900)	(19,600)
Total other comprehensive income, Net of income tax amount	$ (229,562)	$ 135,800	$ (38,100)	$ 402,000