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Employee Benefit Plans Multiemployer Plan (Details) - USD ($) $ in Thousands | 12 Months Ended
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Feb. 28, 2022 | Feb. 28, 2021 | Feb. 29, 2020
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Contributions by Employer | $ 3,957 | $ 3,437 | $ 5,703
Boilermaker-Blacksmith National Pension Trust |  |  |
Multiemployer Plans [Line Items] |  |  |
Entity ID Number | EIN:48-6168020Plan: 001 |  |
Zone Status | Endangered | Endangered |
Multiemployer Plans, Funding Improvement Plan and Rehabilitation Plan [Fixed List] | Implemented |  |
Multiemployer Plan, Contributions by Employer | $ 3,827 | $ 3,340 | 5,337
Multiemployer Plans, Surcharge [Fixed List] | Yes |  |
Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date | Various through 12/31/2021 |  |
Contributions to other multiemployer pension plans |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Contributions by Employer | $ 130 | $ 97 | $ 366

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- Definition Amount of cost for employer contribution to multiemployer pension plan determined to be individually significant. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948 + Details
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- Definition Indicates whether funding improvement plan or rehabilitation plan was implemented or pending for multiemployer pension plan, determined to be individually significant. Acceptable values are "No", "Pending", "Implemented", "Other", and "NA". + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (f)(1) -URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947 + Details
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- Definition Indicates whether employer paid surcharge to multiemployer pension plan determined to be individually significant. Acceptable values are "No", "Yes" and "NA". + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947 + Details
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