Income Taxes (Reconciliation Of The Tax Provision At The Statutory U.S. Federal Income Tax Rate With) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 25, 2011	Dec. 26, 2010	Dec. 27, 2009
Income Taxes [Abstract]
Tax provision at the statutory Federal income tax rate	$ 150	$ 13,211	$ 12,481
Non-deductible goodwill	1,430
Non-deductible permanent items	1,790	1,543	1,297
State and local income taxes, net of Federal benefit	625	4,363	961
Foreign losses for which no tax benefit recognized	11,929	1,408	2,077
Foreign rate differentials	(3,660)	(7,905)	(8,445)
Tax settlements		(47)	(20)
Potential tax contingencies	(1,086)	(3,488)	(72)
Change in valuation allowance	47,684		3,515
Stock based compensation	366	441	349
Other	312	(168)	(1,060)
Tax provision at the effective tax rate	$ 59,540	$ 9,358	$ 11,083

Effective income tax rate reconciliation foreign losses adjustment

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to pretax Income or Loss from continuing operations; income tax expense or benefit may include interest and penalties on tax uncertainties based on the entity's accounting policy.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period.

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The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to total foreign income tax expense or benefit. The foreign income tax expense or benefit difference represents the income tax expense or benefit at applicable domestic statutory income tax rates applied to foreign earnings or loss for the period versus the foreign income tax expense or benefit calculated by applying the appropriate foreign tax rates.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to nondeductible expenses under enacted tax laws, or differences in the methodologies used to determine expense amounts for financial statements prepared in accordance with generally accepted accounting principles, not otherwise listed in the existing taxonomy.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to differences in the deductibility of incentive stock options and other equity-based compensation costs in accordance with generally accepted accounting principles and enacted tax laws.

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The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the year/accounting period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to all other items not otherwise listed in the existing taxonomy.

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The sum of the differences between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in all income tax contingencies, whether recorded or adjusted, during the period.

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