Lease Commitments (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Rent Expense
Rent expense	$ 20,082	$ 20,633	$ 21,797
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Operating Leases 2013	20,494
Operating Leases 2014	15,898
Operating Leases 2015	13,174
Operating Leases 2016	10,307
Operating Leases 2017	4,260
Operating Leases Thereafter	10,423
Operating Leases Total lease payments	74,556
Sub-lease Income 2013	(518)
Sub-lease Income 2014	(489)
Sub-lease Income 2015	(343)
Sub-lease Income 2016	(129)
Sub-lease Income 2017	(54)
Sub-lease Income Thereafter	0
Sub-lease Income Total lease payments	(1,533)
Net Operating Leases 2013	19,976
Net Operating Leases 2014	15,409
Net Operating Leases 2015	12,831
Net Operating Leases 2016	10,178
Net Operating Leases 2017	4,206
Net Operating Leases Thereafter	10,423
Net Operating Leases Total lease payments	$ 73,023