Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Sep. 29, 2020	Dec. 31, 2019
Assets
Operating lease assets, net	$ 202,993	$ 209,717
Finance lease assets, net	3,308	771
Total leased assets	206,301	210,488
Liabilities
Current operating lease liabilities	25,357	22,775
Current portion of finance lease liabilities	1,059	510
Long-term operating lease liabilities, net	219,473	225,014
Long-term finance lease liabilities	2,309	281
Total lease liabilities	$ 248,198	$ 248,580