Related Party Transactions (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 01, 2011	Jan. 02, 2010
Related Party Transaction [Line Items]
Purchase of treasury stock from related party	$ 5,612	$ 5,182
Treasury Stock [Member]
Related Party Transaction [Line Items]
Purchase of treasury stock from related party, shares	1,371	1,500
Purchase of treasury stock from related party	$ 5,612	$ 5,182