Income Taxes - Income Tax Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 27, 2013	Jan. 29, 2012	Jan. 30, 2011
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Federal income tax at statutory rate	$ 86	$ 32,963	$ 27,766
State income taxes, net of federal benefit	(2,472)	(263)	581
Foreign taxes at rates less than federal rates	(9,655)	(16,269)	(16,367)
Tax credits generated	(5,328)	(2,222)	(1,234)
Changes in valuation allowance	2,703	1,814	(879)
Changes in uncertain tax positions	132	(3,235)	2,755
Deemed dividends	1,101	1,250	1,056
Equity compensation	793	(1,312)	1,639
Income Tax Reconciliation, Nondeductible Expense	1,571	1,592	1,652
Sales exclusion - foreign jurisdiction	(10,689)	(11,017)	(9,429)
Dividend and U.S. tax on foreign earnings	(23,443)	0	0
Revaluation of deferred taxes assets and liabilities	3,510	0	0
Other	1	1,791	(780)
(Benefit) provision for taxes	$ (41,690)	$ 5,092	$ 6,760

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Income Tax Reconciliation Income Tax Expense Benefit Changes In Uncertain

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Income tax reconciliation income tax expense benefit non-deductible acquisition costs

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Income tax reconciliation income tax expense benefit sales exclusion - foreign jurisdiction

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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 sum of the differences 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 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 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 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 the repatriation of foreign earnings in the period.

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