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Leases (Net Rental Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 25, 2013	Dec. 26, 2012	Dec. 28, 2011
Rental Expense:
Base rents	$ 35,667	$ 38,326	$ 40,278
Contingent rents	5,412	5,762	5,575
Total rent expense	41,079	44,088	45,853
Rental income:
Base rents	36,183	37,363	35,337
Contingent rents	4,389	3,871	2,812
Total rental income	$ 40,572	$ 41,234	$ 38,149

X

- Definition

The total amount of lease revenue recognized for the period which the lessee was obligated under leasing arrangements regardless of any other events or conditions. This amount excludes contingent revenue.

+ References

No definition available.

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- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense.

+ References

No definition available.

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- Definition

Amount of contingent rental revenue recognized for the period under lease, based on the occurrences of an event or condition.

+ References

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-Publisher FASB

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The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

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- Definition

The increases or decreases in lease payments that result from changes occurring after the inception of the lease in the factors (other than the passage of time) on which lease payments are based, except that any escalation of minimum lease payments relating to increases in construction or acquisition cost of the leased property or for increases in some measure of cost or value during the construction or preconstruction period, are excluded from contingent rentals. Contingent rentals also may include amounts for which the triggering events have not yet occurred or the specified targets for which have not yet been achieved (such as sales based percentage rent), but which events are considered probable of occurring or which specified targets are considered probable of being achieved.

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-Glossary Contingent Rentals

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This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes.

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