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Schedule II - Valuation And Qualifying Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 25, 2021 | Dec. 26, 2020
Allowance for doubtful accounts |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of year | $ 2,590 | $ 1,538 | $ 770
Charged to costs and expenses | 323 | 1,216 | 1,208
Other additions | 0 | 0 | 0
Deductions | 226 | 164 | 440
Balance at end of year | 2,687 | 2,590 | 1,538
Environmental reserves |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of year | 27,426 | 24,001 | 20,866
Charged to costs and expenses | 1,367 | 4,964 | 4,242
Other additions | 0 | 0 | 0
Deductions | 8,259 | 1,539 | 1,107
Balance at end of year | 20,534 | 27,426 | 24,001
Valuation allowance for deferred tax assets |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of year | 26,624 | 27,199 | 23,130
Charged to costs and expenses | (1,648) | 108 | 2,317
Other additions | 509 | 642 | 1,898
Deductions | 3,981 | 1,325 | 146
Balance at end of year | $ 21,504 | $ 26,624 | $ 27,199

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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