Valuation and Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Jan. 02, 2011
Valuation and Qualifying Accounts Disclosure [Line Items]
Deferred Tax Assets, Valuation Allowance	$ 903	$ 549	$ 563
Valuation Allowances and Reserves, Charged to Cost and Expense	2,063	354	(14)
Valuation Allowances and Reserves, Charged to Other Accounts	(903)	0	0
Valuation Allowances and Reserves, Deductions	0	0	0
Deferred Tax Assets, Valuation Allowance	$ 2,063	$ 903	$ 549