Consolidated Balance Sheets Detail - Intangible Assets (Details) - USD ($) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
May 31, 2026 |
May 31, 2025 |
Feb. 28, 2026 |
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| Finite-Lived Intangible Assets [Line Items] | |||
| Cost | $ 175.5 | $ 175.5 | |
| Accumulated Amortization | 136.3 | 135.4 | |
| Net Book Value | 39.2 | 40.1 | |
| Amortization expenses related to intangible assets | 2.2 | $ 4.2 | |
| Payments to Acquire Intangible Assets | 1.6 | $ 1.2 | |
| Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] | |||
| 2027 | 6.1 | ||
| 2028 | 6.3 | ||
| 2029 | 5.1 | ||
| 2030 | 4.4 | ||
| 2031 | 3.6 | ||
| 2032 | 2.9 | ||
| AdditionsToAcquiredIntangibleAssets | 1.5 | ||
| Acquired technology | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Cost | 29.8 | 29.8 | |
| Accumulated Amortization | 29.8 | 29.8 | |
| Net Book Value | 0.0 | 0.0 | |
| Other acquired intangibles | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Cost | 40.4 | 40.4 | |
| Accumulated Amortization | 40.4 | 40.4 | |
| Net Book Value | 0.0 | 0.0 | |
| Intellectual property | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Cost | 105.3 | 105.3 | |
| Accumulated Amortization | 66.1 | 65.2 | |
| Net Book Value | $ 39.2 | $ 40.1 | |
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- Definition AdditionsToAcquiredIntangibleAssets No definition available.
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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