Income Taxes (Details Textual) (USD $)	12 Months Ended
Jan. 03, 2015	Dec. 29, 2012	Dec. 28, 2013
Income Tax Examination [Line Items]
Deferred Tax Assets, Net of Valuation Allowance	$ 321,193,000us-gaap_DeferredTaxAssetsNet		$ 315,350,000us-gaap_DeferredTaxAssetsNet
Tax provision (benefit) for settlements		(36,700,000)
Additional Income Taxes (Textual) [Abstract]
United States statutory federal income tax rate	35.00%
Decrease in valuation allowance against deferred tax assets		(219,600,000)
Undistributed foreign earnings that are intended by company to indefinitely reinvest	444,100,000
Percent of revenue recurring in nature, over multiple years	90.00%
Valuation allowance	(102,742,000)		(92,677,000)
Retroactive benefit of federal research and development credit	$ 8,100,000

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Retroactive benefit of federal research and development credit resulting from the Tax Increase Prevention Act of 2014.

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Undistributed foreign earnings that are intended by company to indefinitely reinvest.

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Valuation Allowance, Deferred Tax Asset, Change in Amount Inputs, Percent of Revenue Recurring In Nature, Previous Four Years

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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