Parenthetical (Details) (USD $)	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011
Other Comprehensive Income Parenthetical [Abstract]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	$ (10,700,000)	$ (31,100,000)
Accumulated Other Comprehensive Income Defined Benefit Plans Net Unamortized Loss Tax	$ (25,700,000)	$ (21,100,000)