Leases - Supplemental Cash Flow Information (Details) $ in Thousands	12 Months Ended
	Dec. 29, 2019 USD ($)
Leases
Operating cash flows from finance leases	$ 269
Financing cash flows from finance leases	781
Operating cash flows from operating leases	40,152
Right-of-use assets obtained in exchange for new finance lease liabilities	10,199
Right-of-use assets obtained in exchange for new operating lease liabilities	20,903
Cash received from sublease income	$ 10,139
Weighted-average remaining lease term of finance leases	4 years 9 months
Weighted-average remaining lease term of operating leases	7 years
Weighted-average discount rate of finance leases	6.38%
Weighted-average discount rate of operating leases	6.94%