Leases - Maturities of Lease Liabilities (Details) $ in Thousands	Mar. 30, 2019 USD ($)
Operating Leases
2019 (remaining portion of year)	$ 19,805
2020	22,176
2021	15,382
2022	10,301
2023	8,298
Thereafter	15,150
Total lease payments	91,112
Less: Interest	9,755
Present value of operating lease liabilities	81,357
Finance leases 2019 (remaining portion of year) - 2023	50
Total leases	81,407
Payments for leases with option to extend	1,600
Operating lease payments related to leases not yet commenced	700
Finance lease payments related to options to extend lease terms	0
Minimum lease payments for leases signed but not yet commenced	$ 100