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. 30, 2012	Dec. 25, 2011	Dec. 26, 2010
Income Tax Disclosure [Abstract]
Tax provision at the statutory federal income tax rate	$ (45,879)	$ (2,061)	$ 8,091
Unremitted earnings	690	1,430	0
Non-deductible permanent items	1,566	1,748	1,467
Non-deductible goodwill impairment	32,503	0	0
State and local income taxes, net of federal benefit	314	625	3,917
Losses for which no tax benefit recognized and release of allowance on current year income	1,135	14,224	1,408
Effect of foreign operations	17,671	(3,668)	(7,794)
Tax settlements	0	0	(47)
Potential tax contingencies	(547)	(1,086)	(3,488)
Change in valuation allowance	283	47,684	0
Stock based compensation	994	366	441
Other	(1,366)	311	(167)
Tax provision at the effective tax rate	$ 7,364	$ 59,573	$ 3,828

Effective income tax rate reconciliation foreign losses adjustment

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Income Tax Reconciliation, Non-deductible Goodwill

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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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