Leases - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Dec. 28, 2019
Lessee, Lease, Description [Line Items]
Rent expense	$ 8,600
Accelerated rent expense	1,400
Short-term operating lease liability	18,054		$ 18,106
Operating lease liabilities - long-term	60,420		64,210
Finance lease, cost	200	$ 0
Short-term financing lease obligation	1,693		1,380
Long-term financing lease obligation	$ 2,113		$ 2,394
Minimum
Lessee, Lease, Description [Line Items]
Operating lease term	1 year
Term of finance lease	3 years
Maximum
Lessee, Lease, Description [Line Items]
Operating lease term	11 years
Term of finance lease	5 years