Fair Value (Details Textual) (USD $)	12 Months Ended
Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Fair Value of Financial Instrument (Textual) [Abstract]
Intangible assets acquired in connection with business combinations	$ 21,600,000	$ 171,000,000
Lease loss accruals	1,500,000	900,000
Investment written down		$ 1,500,000	$ 5,207,000

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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