Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Income Tax Disclosure [Abstract]
Tax expense at statutory rates	$ 205,698	$ 164,393	$ 126,744
State income tax, net of federal benefit	13,856	11,439	10,151
Tax credits	(1,510)	(5,520)	(10,568)
Unrecognized tax benefit (including interest)	(12,832)	102	7,501
Permanent differences	(19,900)	(2,472)	(4,629)
Other, net	5,164	(4,875)	(4,259)
Total income tax expense	$ 190,476	$ 163,067	$ 124,940