Commitments and Contingencies Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Operating Leases, Rent Expense, Net [Abstract]
Rent expense	$ 21,667	$ 20,082	$ 20,633
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Operating leases, future minimum payments due in 2014	23,233
Operating leases, committed sub-lease income due in 2014	(902)
Operating leases, future minimum payments due, net in 2014	22,331
Operating leases, future minimum payments, due in 2015	20,109
Operating leases, committed sub-lease income due in 2015	(530)
Operating leases, future minimum payments due, net in 2015	19,579
Operating leases, future minimum payments, due in 2016	15,664
Operating leases, committed sub-lease income due in 2016	(282)
Operating leases, future minimum payments due, net in 2016	15,382
Operating leases, future minimum payments, due in 2017	8,046
Operating leases, committed sub-lease income due in 2017	(90)
Operating leases, future minimum payments due, net in 2017	7,956
Operating leases, future minimum payments, due in 2018	5,537
Operating leases, committed sub-lease income due in 2018	0
Operating leases, future minimum payments due, net in 2018	5,537
Operating leases, future minimum payments, due thereafter	9,634
Operating leases, committed sub-lease income due thereafter	0
Operating leases, future minimum payments due, net thereafter	9,634
Operating leases, future minimum payments due	82,223
Operating leases, committed sub-lease income due	(1,804)
Operating leases, future minimum payments due, net	$ 80,419