Subsequent Event (Detail) (USD $)	3 Months Ended						4 Months Ended		12 Months Ended			0 Months Ended	3 Months Ended								4 Months Ended		12 Months Ended
	Dec. 29, 2012	Jun. 16, 2012	Mar. 24, 2012	Dec. 31, 2011	Jun. 18, 2011	Mar. 26, 2011	Oct. 06, 2012	Oct. 08, 2011	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011	Mar. 15, 2013 Subsequent Event [Member] Notes Payable, Other Payables [Member]	Mar. 15, 2013 Subsequent Event [Member]	Jun. 16, 2012 Subsequent Event [Member]	Dec. 29, 2012 Food Distribution [Member]	Jun. 16, 2012 Food Distribution [Member]	Mar. 24, 2012 Food Distribution [Member]	Dec. 31, 2011 Food Distribution [Member]	Jun. 18, 2011 Food Distribution [Member]	Mar. 26, 2011 Food Distribution [Member]	Oct. 06, 2012 Food Distribution [Member]	Oct. 08, 2011 Food Distribution [Member]	Dec. 29, 2012 Food Distribution [Member]
Long-term Debt, Gross												$ 322,000,000
Debt Instrument, Convertible, Redemption Price												466.11
Debt Instrument Conversion, Convertible, Redemption Rate, Denominator												1,000	1,000
Repayments of Notes Payable												150,100,000
Debt Conversion, Converted Instrument, Shares Issued (in Shares)													9.7224
Average Trading Day for Common Stock, Average Price													15 years
Share Price (in Dollars per share)												$ 47.94
Goodwill, Impairment Loss	132,000,000	34,600,000							166,630,000							113,000,000							112,978,000
Impairment of Long-Lived Assets Held-for-use	13,100,000				100,000	2,000,000			13,100,000	600,000	900,000
Gain on Purchase of Business									6,639,000					6,600,000
Conversion And Transition Cost															1,000,000	500,000	900,000	400,000	300,000	900,000	3,200,000	400,000
Inventory, LIFO Reserve, Period Charge	1,300,000	400,000	200,000	4,500,000	2,100,000	500,000	1,400,000	7,100,000	3,325,000	14,220,000	53,000
Transaction And Integration Cost	100,000	900,000	300,000				700,000
Restructuring Costs	1,000,000																	200,000	500,000			900,000
Capitalized Computer Software, Impairments	1,000,000							600,000
Business Exit Costs															800,000
Transition Cost																100,000					200,000
Professional Fees				500,000				2,000,000
Write off of Deferred Debt Issuance Cost				$ 1,800,000