Leases - Schedule of Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Oct. 01, 2019	Oct. 01, 2019	Jan. 02, 2019	Jan. 01, 2019
Leases [Abstract]
Operating Lease, Payments	$ 10,795	$ 32,301
Assets
Operating lease assets, net	212,760	212,760	$ 219,883	$ 0
Finance lease assets, net	896	896
Total Leased Asset	213,656	213,656
Liabilities [Abstract]
Current operating lease liabilities	22,431	22,431	0	0
Current finance lease liabilities	756	756
Liabilities, Noncurrent [Abstract]
Long-term operating lease liabilities, net	229,157	229,157	$ 260,931	$ 0
Long-term finance lease liabilities	158	158
Present value of lease liabilities	252,502	252,502
Operating Lease Cost [Abstract]
Operating lease cost	10,251	30,583
Finance lease cost
Amortization of lease assets	161	511
Interest on lease liabilities	18	58
Operating And Finance Lease Cost	10,430	31,152
Sublease income	(184)	(384)
Total lease cost, net	$ 10,246	$ 30,768
Operating Lease, Weighted Average Remaining Lease Term	9 years 6 months	9 years 6 months
Finance Lease, Weighted Average Remaining Lease Term	2 years	2 years
Operating Lease, Weighted Average Discount Rate, Percent	8.69%	8.69%
Finance Lease, Weighted Average Discount Rate, Percent	7.20%	7.20%
Finance Lease Payments	$ 223	$ 600
Cash Paid For Operating And Finance Lease Liabilities	11,018	32,901
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	2,646	7,856
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	0	229
Right-of-Use Asset Obtained in Exchange for Operating And Finance Lease Liability	$ 2,646	$ 8,085