Lease Commitments - Balance Sheet, Operating Lease Term and Discount Rate (Details) - USD ($) $ in Thousands	Dec. 30, 2023	Dec. 31, 2022
Operating Leases
Right of use assets - operating lease	$ 60,991	$ 54,901
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Right-of-Use Asset	Right-of-Use Asset
Current operating lease liabilities
Current operating lease liabilities	$ 11,676	$ 11,694
Non-current operating lease liabilities	49,180	44,963
Total operating lease liabilities	$ 60,856	$ 56,657
Operating Lease, Liability, Current, Statement of Financial Position	Accrued liabilities (Note 6)	Accrued liabilities (Note 6)
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Lease, Liability, Noncurrent	Lease, Liability, Noncurrent
Finance Leases
Right of use assets - finance lease	$ 1,379	$ 2,481
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Right-of-Use Asset	Right-of-Use Asset
Current finance lease liabilities	$ 434	$ 1,147
Non-current finance lease liabilities	292	698
Total finance lease liabilities	$ 726	$ 1,845
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued liabilities (Note 6)	Accrued liabilities (Note 6)
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Lease, Liability, Noncurrent	Lease, Liability, Noncurrent