Allowance For Credit Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Dec. 25, 2022
Accounts Receivable
Current period provision for expected credit losses, net	$ 2,737	$ 5,393	$ 20,539
UK
Notes Receivable
Non-cash reserves for accounts receivable and notes receivable	1,700	1,700
Accounts Receivable
Accounts Receivable
Balance at beginning of period	8,353	6,718
Current period provision for expected credit losses, net	1,613	3,609
Write-offs charged against the allowance	(1,498)	(1,974)
Balance at end of period	8,468	8,353	6,718
Accounts Receivable | Middle East
Notes Receivable
Current period provision for expected credit losses, net		900
Notes Receivable
Notes Receivable
Balance at beginning of period	16,092	14,499
Current period provision for expected credit losses, net	1,124	1,784
Write-offs charged against the allowance	(1,978)	(191)
Balance at end of period	$ 15,238	$ 16,092	$ 14,499