Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended		12 Months Ended
	Dec. 31, 2011	Jan. 01, 2011	Dec. 31, 2011	Jan. 01, 2011	Sep. 26, 2009 2003 through 2006 IRS Settlement [Member]	Dec. 31, 2011 2003 through 2006 IRS Settlement [Member]	Jan. 01, 2011 2003 through 2006 IRS Settlement [Member]	Jul. 02, 2011 2003 through 2006 IRS Settlement [Member]	Jul. 03, 2010 2003 through 2006 IRS Settlement [Member]
Date of settlement					first quarter of fiscal 2010
Internal revenue service audit period					2003 through 2006
Period of years for tax settlement payments					3 years
IRS tax settlement payments made						$ 106,000,000	$ 106,000,000	$ 212,000,000	$ 528,000,000
IRS tax settlement payments to be made in current fiscal year						212,000,000
Unrecognized tax benefits	72,500,000		72,500,000
Liability recorded for interest and penalities related to unrecognized tax benefits	35,200,000		35,200,000
Effective income tax rate	37.81%	37.07%	37.31%	37.18%
(Gain) loss recorded to adjust the carrying value of corporate-owned life insurance policies to their cash surrender values		(10,300,000)		(23,900,000)
(Reduction) increase in income tax expense related to the amount recorded to adjust the carrying value of corporate-owned life insurance policies to their cash surrender values		$ (4,000,000)		$ (9,200,000)