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Commitments and Contingent Liabilities (Details Textual) $ in Millions | 12 Months Ended |
--- | --- | ---
Feb. 26, 2022 USD ($) Facility | Feb. 27, 2021 USD ($)
Long-term Purchase Commitment [Line Items] |  |
Face value of performance bonds | $ 1,200.0 |
Company's backlog bonded by performance bonds | 352.5 |
Project related liability | 0.1 | $ 4.6
Total value of letter of credit | 16.4 |
Purchase obligations | $ 209.2 |
Number of properties acquired with historical environmental conditions | Facility | 1 |
Current Liabilities and Other Non Current Liabilities |  |
Long-term Purchase Commitment [Line Items] |  |
Reserve for environmental liabilities | $ 0.5 |

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- Definition Number Of Properties Acquired With Historical Environmental Conditions + References No definition available. + Details
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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 + Details
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- Definition Fair value portion of guarantee, including, but not limited to, financial standby letter of credit, fair value guarantee, guarantee of collection of scheduled contractual cash flows from financial assets, and contracts that contingently require the guarantor to make payments or perform services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124440162&loc=d3e12201-110248 + Details
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