v3.26.1
Stock and Stock-Based Incentive Plans (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
May 31, 2026
May 31, 2025
Feb. 28, 2026
Stock and Stock-Based Incentive Plans      
Stock Repurchase Program, Authorized Amount $ 2,000.0    
Market Stock Units Converted To Common Stock Conversion Ratio Number Of Final Trading Days In Vesting Period 40 days    
Share-Based Payment Arrangement, Amount Capitalized $ 0.0 $ 0.0  
Share Repurchase Program      
Stock and Stock-Based Incentive Plans      
Available for repurchase, as of end of period $ 1,305.1 $ 1,737.1  
Performance Shares [Member]      
Stock and Stock-Based Incentive Plans      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 3 years    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 724,329    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 54.92    
Performance Shares [Member] | Minimum      
Stock and Stock-Based Incentive Plans      
Stock units converted to common stock for each unit granted 0    
Performance Shares [Member] | Maximum      
Stock and Stock-Based Incentive Plans      
Stock units converted to common stock for each unit granted 2    
Stock options      
Stock and Stock-Based Incentive Plans      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 4 years    
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period 7 years    
Cash-settled restricted stock units (RSUs)      
Stock and Stock-Based Incentive Plans      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 3 years    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 2,409,000   1,586,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 47.71   $ 66.78
Cash-settled restricted stock units (RSUs) | Minimum      
Stock and Stock-Based Incentive Plans      
Cash payment per cash settled restricted stock unit 75.00%    
Cash-settled restricted stock units (RSUs) | Maximum      
Stock and Stock-Based Incentive Plans      
Cash payment per cash settled restricted stock unit 200.00%    
Stock Settled Market Stock Units [Member]      
Stock and Stock-Based Incentive Plans      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 3 years    
Share-based Compensation Arrangement by Share-based Payment Award, Conversion Ratio Quotient 2    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 1,033,000   632,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 72.40   $ 95.19
Stock Settled Market Stock Units [Member] | Minimum      
Stock and Stock-Based Incentive Plans      
Stock units converted to common stock for each unit granted 0    
Stock Settled Market Stock Units [Member] | Maximum      
Stock and Stock-Based Incentive Plans      
Stock units converted to common stock for each unit granted 2    
Stock Settled Restricted Stock Units [Member]      
Stock and Stock-Based Incentive Plans      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 3 years    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 537,000   117,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 38.71   $ 39.27
Deferred Stock Units [Member]      
Stock and Stock-Based Incentive Plans      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 1 year    
Stock units converted to common stock for each unit granted 1    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 128,526    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 83.61    
Restricted Stock [Member]      
Stock and Stock-Based Incentive Plans      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 0    
Restricted Stock [Member] | Minimum      
Stock and Stock-Based Incentive Plans      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 1 year    
Restricted Stock [Member] | Maximum      
Stock and Stock-Based Incentive Plans      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 3 years    
Fiscal 2024 Grant | Performance Shares [Member] | PSU First-year Period      
Stock and Stock-Based Incentive Plans      
PSU Performance Adjustment Factor 38.00%    
Fiscal 2024 Grant | Performance Shares [Member] | PSU Second-year Period      
Stock and Stock-Based Incentive Plans      
PSU Performance Adjustment Factor 159.00%    
Fiscal 2024 Grant | Performance Shares [Member] | PSU Third-year Period      
Stock and Stock-Based Incentive Plans      
PSU Performance Adjustment Factor 0.00%    
Fiscal 2024 Grant | Performance Shares [Member] | Minimum | PSU First-year Period      
Stock and Stock-Based Incentive Plans      
PSU Performance Adjustment Factor 25.00%    
Fiscal 2024 Grant | Performance Shares [Member] | Minimum | PSU Second-year Period      
Stock and Stock-Based Incentive Plans      
PSU Performance Adjustment Factor 50.00%    
Fiscal 2024 Grant | Performance Shares [Member] | Minimum | PSU Third-year Period      
Stock and Stock-Based Incentive Plans      
PSU Performance Adjustment Factor 50.00%    
Fiscal 2024 Grant | Performance Shares [Member] | Maximum | PSU First-year Period      
Stock and Stock-Based Incentive Plans      
PSU Performance Adjustment Factor 200.00%    
Fiscal 2024 Grant | Performance Shares [Member] | Maximum | PSU Second-year Period      
Stock and Stock-Based Incentive Plans      
PSU Performance Adjustment Factor 200.00%    
Fiscal 2024 Grant | Performance Shares [Member] | Maximum | PSU Third-year Period      
Stock and Stock-Based Incentive Plans      
PSU Performance Adjustment Factor 200.00%    
Fiscal 2025 Grant | Performance Shares [Member] | Minimum      
Stock and Stock-Based Incentive Plans      
PSU Performance Adjustment Factor 50.00%    
Fiscal 2025 Grant | Performance Shares [Member] | Maximum      
Stock and Stock-Based Incentive Plans      
PSU Performance Adjustment Factor 200.00%    
Fiscal 2026 Grant | Performance Shares [Member] | Minimum      
Stock and Stock-Based Incentive Plans      
PSU Performance Adjustment Factor 50.00%    
Fiscal 2026 Grant | Performance Shares [Member] | Maximum      
Stock and Stock-Based Incentive Plans      
PSU Performance Adjustment Factor 200.00%    
Fiscal 2027 Grant | Performance Shares [Member] | Minimum      
Stock and Stock-Based Incentive Plans      
PSU Performance Adjustment Factor 50.00%    
Fiscal 2027 Grant | Performance Shares [Member] | Maximum      
Stock and Stock-Based Incentive Plans      
PSU Performance Adjustment Factor 200.00%