Financing Arrangements (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended	12 Months Ended		12 Months Ended
	Jan. 02, 2013	Dec. 30, 2012	Dec. 25, 2011	Dec. 30, 2012 Unsecured Committed [Member]	Dec. 30, 2012 Unsecured Uncommitted [Member]	Dec. 25, 2011 Unsecured Uncommitted [Member]
Short-term borrowings [Abstract]
Maturity Date, Line of credit facility				October 2017
Line of credit facility, available borrowing capacity				$ 700,000	$ 102,700
Weighted average interest rates of outstanding borrowings (in hundredths)					5.79%	4.84%
Commitment fee based on unused portion of line of credit facility (in hundredths)				0.15%
Interest rate under line of credit facility				Eurocurrency Rate plus 1.25%
Maximum aggregate principal amount of commercial paper notes issuable by the Company	700,000	500,000
Maturities of the notes, maximum (in days)		397
Commercial paper program, notes outstanding		$ 209,190	$ 166,459
Commercial paper program, weighted average interest rate		1.46%	1.79%