Commitments and Contingencies (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Operating Leases, Rent Expense, Net [Abstract]
Rent expense	$ 27,406	$ 26,666	$ 25,450
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Operating leases, future minimum payments due in 2016	21,669
Operating leases, committed sub-lease income due in 2016	(671)
Operating leases, future minimum payments due, net in 2016	20,998
Operating leases, future minimum payments, due in 2017	13,009
Operating leases, committed sub-lease income due in 2017	(80)
Operating leases, future minimum payments due, net in 2017	12,929
Operating leases, future minimum payments, due in 2018	8,996
Operating leases, committed sub-lease income due in 2018	0
Operating leases, future minimum payments due, net in 2018	8,996
Operating leases, future minimum payments, due in 2019	6,199
Operating leases, committed sub-lease income due in 2019	0
Operating leases, future minimum payments due, net in 2019	6,199
Operating leases, future minimum payments, due in 2020	2,600
Operating leases, committed sub-lease income due in 2020	0
Operating leases, future minimum payments due, net in 2020	2,600
Operating leases, future minimum payments, due thereafter	2,608
Operating leases, committed sub-lease income due thereafter	0
Operating leases, future minimum payments due, net thereafter	2,608
Operating leases, future minimum payments due	55,081
Operating leases, committed sub-lease income due	(751)
Operating leases, future minimum payments due, net	$ 54,330