Goodwill Impairment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 16, 2012	Jun. 16, 2012
Goodwill, Impairment Loss	$ 131,991	$ 131,991
Food Distribution [Member]
Goodwill, Impairment Loss	113,000
Retail [Member]
Goodwill, Impairment Loss	$ 19,000

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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+ Details