Income Taxes (Details Textuals) (USD $)	12 Months Ended
	Jan. 01, 2012	Jan. 02, 2011	Jan. 03, 2010
Income Tax Contingency
Valuation Allowance, Deferred Tax Asset, Change in Amount		$ 306,000,000
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	62,900,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	183,900,000
State Research Credit	19,100,000
Undistributed earnings of foreign subsidiaries	361,800,000
Tax Effect From Share Based Compensation Adjustments To Additional Paid In Capital	20,517,000	26,810,000	0
Provision For Income Taxes
Unrecognized tax benefits that would impact the effective tax rate	81,100,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	34,100,000	29,700,000
Unrecognized Tax Benefits Income Tax Penalties And Interest Expense Or Income	3,200,000	(2,400,000)	6,400,000
Expected Decrease In Unrecognized Tax Benefits Within Next Twelve Months	$ 3,100,000