Schedule II - Valuation And Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Dec. 25, 2021
Allowance for doubtful accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year	$ 2,687	$ 2,590	$ 1,538
Charged to costs and expenses	(84)	323	1,216
Other additions	227	0	0
Deductions	0	226	164
Balance at end of year	2,830	2,687	2,590
Environmental reserves
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year	20,534	27,426	24,001
Charged to costs and expenses	652	1,367	4,964
Other additions	0	0	0
Deductions	2,246	8,259	1,539
Balance at end of year	18,940	20,534	27,426
Valuation allowance for deferred tax assets
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year	21,504	26,624	27,199
Charged to costs and expenses	4,939	(1,648)	108
Other additions	267	509	642
Deductions	3,632	3,981	1,325
Balance at end of year	$ 23,078	$ 21,504	$ 26,624