Reconciliation of Total Segment Income to Consolidated Income Before Provision for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 09, 2012	Sep. 11, 2011	Sep. 09, 2012	Sep. 11, 2011
Segment Reporting, Revenue Reconciling Item [Line Items]
Total Segment Income	$ 70,986	$ 64,707	$ 222,492	$ 207,181
Depreciation and amortization	(5,412)	(6,010)	(15,852)	(17,078)
Gains (losses) on sale/disposal of assets	(61)	819	87	2,455
Non-cash compensation expense	(3,895)	(3,347)	(12,183)	(9,231)
Expenses related to sale of Company-owned stores		(315)		(315)
2012 recapitalization-related expenses			(252)
Income from operations	61,618	55,854	194,292	183,012
Interest income	34	60	240	213
Interest expense	(20,683)	(20,984)	(73,651)	(63,485)
Income before provision for income taxes	$ 40,969	$ 34,930	$ 120,881	$ 119,740

Additional Recapitalization Related Expenses

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Amount of earnings before interest, taxes, depreciation, amortization and other for the reportable segment.

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No definition available.

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The charge against earnings in the period, comprised of costs incurred associated with an exit or disposal activity other than for a discontinued operations as defined under generally accepted accounting principles. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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The difference between the sale price or salvage price and the book value of a property, plant, and equipment asset that was sold or retired during the reporting period. This element refers to the gain (loss).

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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- Definition

The cost of borrowed funds accounted for as interest that was charged against earnings during the period.

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Income derived from investments in debt securities and on cash and cash equivalents the earnings of which reflect the time value of money or transactions in which the payments are for the use or forbearance of money.

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The net result for the period of deducting operating expenses from operating revenues.

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No definition available.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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