Employee Benefit Plans Multiemployer Plan (Details) - USD ($) $ in Thousands	12 Months Ended
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

Collective Bargaining End Date

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- Definition

Entity ID Number

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Zone Status

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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

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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
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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
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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