Income Taxes (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Summary of income tax reconciliation
Provision computed at federal statutory income tax rate	$ 33,400	$ (21,968)	$ (53,727)
State and local income tax, net of federal tax effect	6,493	(3,970)	(9,334)
Foreign income tax rate differential	(6,676)	(7,053)	(10,241)
Non-deductible share-based compensation costs	1,651	11,129	7,579
Change in Deferred Tax Valuation Allowance	(3,617)	(26,550)	52,021
Tax credits	(12,588)	(12,495)	(11,356)
Repatriation of foreign earnings	708	(407)	3,412
Non-deductible research and development expense		3,199
Financing arrangements		(1,821)
Non-deductible impairment losses			627
Withholding Taxes	3,851	2,778	2,028
Tax settlements, domestic	328	(147,109)
Tax settlements, foreign	(2,451)		(649)
Interest and penalties not included in tax settlements	1,840	7,595	11,629
Increase (decrease) in unrecognized tax benefits not included in tax settlements	933	8,496	5,730
Other	(675)	(1,130)	(1,353)
Total provision (benefit) for income taxes	$ 23,197	$ (189,306)	$ (3,634)
Effective tax rate	24.00%	302.00%	2.00%

Income tax reconciliation financing arrangements.

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Income tax reconciliation withholding taxes.

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A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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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 impairment losses under 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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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 tax credits.

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This element represents the total of interest expense recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties in the period in which the entity claims or expects to claim a tax position, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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The net amount of all increases and decreases in unrecognized tax benefits for the period.

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