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Revenue (Details) - USD ($) $ in Millions | 6 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 26, 2020 | Sep. 26, 2020 | Dec. 25, 2022 | Dec. 25, 2021 | Dec. 28, 2019
Disaggregation of Revenue [Line Items] |  |  |  |  |
Performance obligations |  | $ 3.8 |  |  |
Contract assets |  | 3.5 |  |  | $ 0.9
Contract liabilities |  | 14.7 |  |  | $ 10.8
Revenue recognized included in contracts |  | $ 8.6 |  |  |
Forecast |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Expected to be recognized | 31.90% |  | 18.20% | 49.90% |

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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130531-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130533-203044 + Details
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