Schedule Of Deferred Tax Assets And Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2012	Dec. 31, 2011
Income Tax Disclosure [Line Items]
Receivable valuations	$ 5,386	$ 4,570
Share-based payments	4,182	5,843
Self-insured claims	5,541	5,940
Other	5,076	5,316
Total deferred tax assets	20,185	21,669
Operating property	39,469	38,040
Goodwill	7,190	6,721
Other	2,417	1,538
Total deferred tax liabilities	49,076	46,299
Net deferred tax liability	$ 28,891	$ 24,630