Leases Supplemental Balance Sheet Information Related To Leases (Details) $ in Thousands	Sep. 29, 2019 USD ($)
Leases [Abstract]
Total operating lease right-of-use assets	$ 78,788
Accrued liabilities	16,981
Long-term operating lease liabilities	73,436
Total operating lease liabilities	90,417
Other long-lived assets, at cost	723
Accumulated depreciation	(592)
Other long-lived assets, net	$ 131