Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010
Income Taxes [Line Items]
Federal income tax rate	35.00%
Net unrecognized tax benefits	$ 1,643,000	$ 5,069,000
Accrued for estimated interest and penalties	626,000	2,214,000
Income taxes paid	$ 71,033,000	$ 59,442,000	$ 51,542,000

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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- Definition

This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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