Leases - Supplemental Balance Sheet Information Related to Finance Leases (Details) $ in Thousands	Jun. 28, 2019 USD ($)
Lessee Lease Description [Line Items]
Finance lease right-of-use assets, gross	$ 3,227
Less accumulated depreciation	889
Finance lease right-of-use assets, net	2,338
Finance lease liability	$ 1,540
Weighted-average remaining lease term (in years)	1 year 4 months 24 days
Weighted-average discount rate	6.47%
Machinery and Equipment
Lessee Lease Description [Line Items]
Finance lease right-of-use assets, gross	$ 2,158
Furniture and Fixtures
Lessee Lease Description [Line Items]
Finance lease right-of-use assets, gross	1,042
Leasehold Improvements
Lessee Lease Description [Line Items]
Finance lease right-of-use assets, gross	$ 27