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Share-based Payments (Summary of Share Unit Activity) (Details)
6 Months Ended
Jun. 30, 2024
$ / shares
shares
PSUs with Performance Conditions | Equity-classified share units  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Outstanding beginning balance, Shares | shares 415,429
Granted, Shares | shares 150,461
Vested and settled, Shares | shares (114,315)
Forfeited, Shares | shares (15,175)
Outstanding ending balance, Shares | shares 436,400
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Outstanding beginning balance, Weighted average grant date fair value (usd per share) | $ / shares $ 58.35
Granted, Weighted average grant date fair value (usd per share) | $ / shares 75.42
Vested and settled, Weighted average grant date fair value (usd per share) | $ / shares 58.79
Forfeited, Weighted average grant date fair value (usd per share) | $ / shares 57.92
Outstanding ending balance, Weighted average grant date fair value (usd per share) | $ / shares $ 64.13
PSUs with Market Conditions | Equity-classified share units  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Outstanding beginning balance, Shares | shares 174,260
Granted, Shares | shares 149,444
Vested and settled, Shares | shares 0
Outstanding ending balance, Shares | shares 313,305
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Outstanding beginning balance, Weighted average grant date fair value (usd per share) | $ / shares $ 74.83
Granted, Weighted average grant date fair value (usd per share) | $ / shares 121.25
Vested and settled, Weighted average grant date fair value (usd per share) | $ / shares 0
Forfeited, Weighted average grant date fair value (usd per share) | $ / shares 81.35
Outstanding ending balance, Weighted average grant date fair value (usd per share) | $ / shares $ 96.76
PSUs with Market Conditions | Liability-classified share units  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Forfeited, Shares | shares (10,399)
RSUs | Equity-classified share units  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Outstanding beginning balance, Shares | shares 539,671
Granted, Shares | shares 309,807
Vested and settled, Shares | shares (223,389)
Forfeited, Shares | shares (22,832)
Outstanding ending balance, Shares | shares 603,257
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Outstanding beginning balance, Weighted average grant date fair value (usd per share) | $ / shares $ 53.64
Granted, Weighted average grant date fair value (usd per share) | $ / shares 75.46
Vested and settled, Weighted average grant date fair value (usd per share) | $ / shares 53.50
Forfeited, Weighted average grant date fair value (usd per share) | $ / shares 57.29
Outstanding ending balance, Weighted average grant date fair value (usd per share) | $ / shares $ 64.76
DSUs | Liability-classified share units  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Outstanding beginning balance, Shares | shares 100,560
Granted, Shares | shares 10,103
Vested and settled, Shares | shares (3,759)
Forfeited, Shares | shares 0
Outstanding ending balance, Shares | shares 106,904
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Outstanding beginning balance, Weighted average grant date fair value (usd per share) | $ / shares $ 38.36
Granted, Weighted average grant date fair value (usd per share) | $ / shares 71.43
Vested and settled, Weighted average grant date fair value (usd per share) | $ / shares 59.05
Forfeited, Weighted average grant date fair value (usd per share) | $ / shares 0
Outstanding ending balance, Weighted average grant date fair value (usd per share) | $ / shares $ 40.76