Summary of Significant Accounting Policies (Details)	12 Months Ended
Feb. 28, 2022 USD ($) segment	Feb. 28, 2021 USD ($)	Feb. 29, 2020 USD ($)
Business Acquisition [Line Items]
Asset impairment charges	$ 13,700,000	$ 9,200,000
Goodwill, impairment loss	$ 0	0	$ 0
Number of operating segments \| segment	2
Contract liabilities	$ 42,465,000	17,873,000	18,418,000
Restricted cash	300,000	900,000
Capital Expenditures Incurred but Not yet Paid	$ 900,000	$ 1,500,000	$ 2,400,000
Minimum
Business Acquisition [Line Items]
Useful life	2 years
Maximum
Business Acquisition [Line Items]
Useful life	19 years

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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