Leases - Leases included in the Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Jan. 02, 2021	Dec. 28, 2019
Assets
Right-of-use operating leases	$ 70,219	$ 72,883
Right-of-use finance leases	6,095	2,129
Total Right-of-use operating / finance leases	76,314	75,012
Current
Current lease obligations - operating	19,970	22,219
Current lease obligations - finance	1,589	563
Total Current lease obligations - operating / finance	21,559	22,782
Non-current
Long-term lease obligations - operating	53,249	58,233
Long-term lease obligations - finance	4,516	1,581
Total Long-term lease obligations - operating / finance	57,765	59,814
Present value of operating lease and finance lease liabilities	$ 79,324	$ 82,596