Commitments and Contingencies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Operating Leases, Rent Expense, Net [Abstract]
Rent expense	$ 28,216	$ 27,406	$ 26,666
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Operating leases, future minimum payments, Current Year	20,735
Operating leases, committed sub-lease income due in current year	(67)
Operating leases, future minimum payments due, net in current year	20,668
Operating leases, future minimum payments, due in two years	17,647
Operating leases, committed sub-lease income due in two years	0
Operating leases, future minimum payments due, net in two years	17,647
Operating leases, future minimum payments, due in three years	13,918
Operating leases, committed sub-lease income due in three years	0
Operating leases, future minimum payments due, net in three years	13,918
Operating leases, future minimum payments, due in four years	9,040
Operating leases, committed sub-lease income due in four years	0
Operating leases, future minimum payments due, net in four years	9,040
Operating leases, future minimum payments, due in five years	7,436
Operating leases, committed sub-lease income due in five years	0
Operating leases, future minimum payments due, net in five years	7,436
Operating leases, future minimum payments, due thereafter	22,195
Operating leases, committed sub-lease income due thereafter	0
Operating leases, future minimum payments due, net thereafter	22,195
Operating leases, future minimum payments due	90,971
Operating leases, committed sub-lease income due	(67)
Operating leases, future minimum payments due, net	$ 90,904