Revenue and Segment Disclosures - Operating results by operating segments (Details) - USD ($) $ in Millions	3 Months Ended
May 31, 2026	May 31, 2025
Segment Reporting Information [Line Items]
Revenues	$ 152.9	$ 121.7
Cost of sales	33.2	31.4
Segment gross margin	119.7	90.3
QNX
Segment Reporting Information [Line Items]
Revenues	72.3	57.5
Cost of sales	10.4	11.2
Segment gross margin	61.9	46.3
Secure Communication
Segment Reporting Information [Line Items]
Revenues	73.6	59.5
Cost of sales	20.8	18.1
Segment gross margin	52.8	41.4
Licensing
Segment Reporting Information [Line Items]
Revenues	7.0	4.7
Cost of sales	1.5	1.6
Segment gross margin	5.5	3.1
Total Operating Segments
Segment Reporting Information [Line Items]
Revenues	152.9	121.7
Segment gross margin	$ 120.2	$ 90.8

The aggregate cost of goods produced and sold and services rendered during the reporting period.

- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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