v3.26.1
Cash, Cash Equivalents and Investments - Components of Cash, Cash Equivalents and Investments (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 28, 2026
Feb. 28, 2025
Feb. 29, 2024
Cash and Cash Equivalents [Line Items]      
Cost Basis $ 426.9 $ 415.4  
Unrealized Gains 6.7 6.1  
Unrealized Losses 1.2 11.2  
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount 1.8 1.2  
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount   (2.4)  
Fair Value 432.4 410.3  
Cash and cash equivalents (note 4) 274.7 266.7 $ 175.1
Short-term Investments 85.2 71.1  
Long-term investments 58.3 58.9  
Restricted Cash and Cash Equivalents 14.2 13.6 $ 25.4
Bank balances      
Cash and Cash Equivalents [Line Items]      
Cost Basis 168.6 223.7  
Unrealized Gains 0.0 0.0  
Unrealized Losses 0.0 0.0  
Fair Value 168.6 223.7  
Cash and cash equivalents (note 4) 168.6 223.7  
Short-term Investments 0.0 0.0  
Long-term investments 0.0 0.0  
Restricted Cash and Cash Equivalents 0.0 0.0  
Bank Balances and Other Investments [Domain]      
Cash and Cash Equivalents [Line Items]      
Cost Basis 220.1 247.0  
Unrealized Gains 2.4 4.9  
Unrealized Losses 1.2 0.0  
Fair Value 221.3 251.9  
Cash and cash equivalents (note 4) 168.6 223.7  
Short-term Investments 0.0 0.0  
Long-term investments 52.7 28.2  
Restricted Cash and Cash Equivalents 0.0 0.0  
Equity securities      
Cash and Cash Equivalents [Line Items]      
Cost Basis 51.5 [1] 23.3 [2]  
Unrealized Gains 2.4 4.9  
Unrealized Losses 1.2 0.0  
Fair Value 52.7 28.2  
Cash and cash equivalents (note 4) 0.0 0.0  
Short-term Investments 0.0 0.0  
Long-term investments 52.7 28.2  
Restricted Cash and Cash Equivalents 0.0 0.0  
Level 1: | Equity securities      
Cash and Cash Equivalents [Line Items]      
Cost Basis   10.0  
Equity Securities, FV-NI, Unrealized Gain   0.0  
Equity Securities, FV-NI, Unrealized Loss   (10.0)  
Fair Value   0.0  
Cash and cash equivalents (note 4)   0.0  
Short-term Investments   0.0  
Long-term investments   0.0  
Restricted Cash and Cash Equivalents   0.0  
Level 2:      
Cash and Cash Equivalents [Line Items]      
Cost Basis 205.5 127.7  
Debt Securities, Available-for-sale, Unrealized Gain 0.0 0.0  
Debt Securities, Available-for-sale, Unrealized Loss 0.0 0.0  
Fair Value 205.5 127.7  
Cash and cash equivalents (note 4) 106.1 43.0  
Short-term Investments 85.2 71.1  
Long-term investments 0.0 0.0  
Restricted Cash and Cash Equivalents 14.2 13.6  
Level 2: | Term deposits, and certificates of deposits      
Cash and Cash Equivalents [Line Items]      
Cost Basis 49.7 39.3  
Debt Securities, Available-for-sale, Unrealized Gain 0.0 0.0  
Debt Securities, Available-for-sale, Unrealized Loss 0.0 0.0  
Fair Value 49.7 39.3  
Cash and cash equivalents (note 4) 20.1 0.0  
Short-term Investments 20.0 30.1  
Long-term investments 0.0 0.0  
Restricted Cash and Cash Equivalents 9.6 9.2  
Level 2: | Bearer deposit notes      
Cash and Cash Equivalents [Line Items]      
Cost Basis 24.9 10.3  
Debt Securities, Available-for-sale, Unrealized Gain 0.0 0.0  
Debt Securities, Available-for-sale, Unrealized Loss 0.0 0.0  
Fair Value 24.9 10.3  
Cash and cash equivalents (note 4) 11.0 7.3  
Short-term Investments 13.9 3.0  
Long-term investments 0.0 0.0  
Restricted Cash and Cash Equivalents 0.0 0.0  
Level 2: | Commercial paper      
Cash and Cash Equivalents [Line Items]      
Cost Basis 93.2 55.5  
Debt Securities, Available-for-sale, Unrealized Gain 0.0 0.0  
Debt Securities, Available-for-sale, Unrealized Loss 0.0 0.0  
Fair Value 93.2 55.5  
Cash and cash equivalents (note 4) 37.3 27.8  
Short-term Investments 51.3 27.7  
Long-term investments 0.0 0.0  
Restricted Cash and Cash Equivalents 4.6 0.0  
Level 2: | Non-U.S. promissory notes      
Cash and Cash Equivalents [Line Items]      
Cost Basis 24.4 9.8  
Debt Securities, Available-for-sale, Unrealized Gain 0.0 0.0  
Debt Securities, Available-for-sale, Unrealized Loss 0.0 0.0  
Fair Value 24.4 9.8  
Cash and cash equivalents (note 4) 24.4 7.9  
Short-term Investments 0.0 1.9  
Long-term investments 0.0 0.0  
Restricted Cash and Cash Equivalents 0.0 0.0  
Level 2: | Non-U.S. government sponsored enterprise notes      
Cash and Cash Equivalents [Line Items]      
Cost Basis   9.3  
Debt Securities, Available-for-sale, Unrealized Gain   0.0  
Debt Securities, Available-for-sale, Unrealized Loss   0.0  
Fair Value   9.3  
Cash and cash equivalents (note 4)   0.0  
Short-term Investments   4.9  
Long-term investments   0.0  
Restricted Cash and Cash Equivalents   4.4  
Level 2: | Non-U.S. treasury bills      
Cash and Cash Equivalents [Line Items]      
Cost Basis 13.3    
Debt Securities, Available-for-sale, Unrealized Gain 0.0    
Debt Securities, Available-for-sale, Unrealized Loss 0.0    
Fair Value 13.3    
Cash and cash equivalents (note 4) 13.3    
Short-term Investments 0.0    
Long-term investments 0.0    
Restricted Cash and Cash Equivalents 0.0    
Level 2: | Corporate notes/bonds      
Cash and Cash Equivalents [Line Items]      
Cost Basis   3.5  
Debt Securities, Available-for-sale, Unrealized Gain   0.0  
Debt Securities, Available-for-sale, Unrealized Loss   0.0  
Fair Value   3.5  
Cash and cash equivalents (note 4)   0.0  
Short-term Investments   3.5  
Long-term investments   0.0  
Restricted Cash and Cash Equivalents   0.0  
Level 3:      
Cash and Cash Equivalents [Line Items]      
Cost Basis 1.3 30.7  
Unrealized Gains 4.3 1.2  
Unrealized Losses 0.0 1.2  
Fair Value 5.6 30.7  
Cash and cash equivalents (note 4) 0.0 0.0  
Short-term Investments 0.0 0.0  
Long-term investments 5.6 30.7  
Restricted Cash and Cash Equivalents 0.0 0.0  
Level 3: | Equity securities      
Cash and Cash Equivalents [Line Items]      
Cost Basis [1] 1.3 30.7  
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount 4.3 1.2  
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount 0.0 (1.2)  
Fair Value 5.6 30.7  
Cash and cash equivalents (note 4) 0.0 0.0  
Short-term Investments 0.0 0.0  
Long-term investments 5.6 30.7  
Restricted Cash and Cash Equivalents $ 0.0 $ 0.0  
[1] Cost basis for investments in privately-held companies includes the effect of returns of capital and impairment.
[2] Cost basis for investments in privately-held companies includes the effect of returns of capital and impairment.