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v3.22.2.2

Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 01, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Sep. 30, 2021 | Jun. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021 | Feb. 07, 2022 | Aug. 31, 2021 | Jun. 14, 2021 | Jan. 31, 2021 | Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares, issued (in shares) |  |  |  | 674,166,494 |  |  |  |  | 674,166,494 |  | 683,139,210 |  |  |  |  |
Ordinary shares, par value (in dollars per share) |  |  |  | $ 0 |  |  |  |  | $ 0 |  | $ 0 |  |  |  |  |
Treasury shares (in shares) |  |  |  | 365,014 |  |  |  |  | 365,014 |  | 547,136 |  |  |  |  |
Preferred stock, dividend rate, percentage |  |  |  |  |  |  |  |  | 5.25% |  |  |  |  |  |  |
Preferred Stock, Liquidation Preference Per Share |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100.00 |  |
Shares issued as dividends on our 5.25% Series A Mandatory Convertible Preferred Shares |  |  |  |  |  |  |  |  | $ 0.0 | $ 16.1 |  |  |  |  |  |
Treasury stock sold, average cost per share (in dollars per share) |  |  |  | $ 9.60 |  | $ 15.01 |  |  |  |  |  |  |  |  |  |
Treasury stock acquired, average cost per share (in dollars per share) | $ 30.99 |  |  |  |  |  |  |  | $ 16.33 |  |  |  |  |  |  |
Stock repurchase program, authorized amount |  |  |  |  |  |  |  |  |  |  |  | $ 1,000.0 | $ 250.0 |  |  |
Stock repurchased and retired (in shares) |  |  |  |  |  |  |  |  | 10,700,000 |  |  |  |  |  |  |
Treasury Stock Retired, Average Cost Per Share |  |  |  |  |  |  |  |  | $ 16.33 |  |  |  |  |  |  |
Stock repurchased and retired |  |  |  |  |  |  | $ 0.0 | $ 0.0 | $ 175.0 | $ 5,117.4 |  |  |  |  |  |
Stock repurchase program, remaining authorized repurchase amount |  |  |  | $ 825.0 |  |  |  |  | $ 825.0 |  |  |  |  |  |  |
Repurchase of ordinary shares (in shares) |  |  |  |  |  |  |  |  | 10,700,000 |  |  |  |  |  |  |
Treasury Stock, Common, Value |  |  |  | $ 11.3 |  |  |  |  | $ 11.3 |  | $ 16.9 |  |  |  |  |
Ordinary shares, outstanding (in shares) |  |  |  | 673,801,480 |  |  |  |  | 673,801,480 |  | 683,139,210 |  |  |  |  |
Treasury stock sold at lower than repurchase price |  |  |  | $ (1.3) | $ (0.3) | $ (0.6) |  |  |  |  |  |  |  |  |  |
Sale of treasury shares (in shares) |  |  |  | 140,400 |  | 41,700 |  |  |  |  |  |  |  |  |  |
Common Stock, Voting Rights |  |  |  |  |  |  |  |  | one |  |  |  |  |  |  |
Treasury Stock, Value, Acquired, Par Value Method |  |  |  |  | $ 108.6 | $ 66.4 |  |  | $ 175.0 |  |  |  |  |  |  |
CPA Global |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Newly issued ordinary shares (in shares) |  |  |  |  |  |  |  |  |  | 1,500,000 |  |  |  |  |  |
Newly issued ordinary shares, value |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 43.9 |
Decision Resources Group |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Newly issued ordinary shares (in shares) |  |  | 2,900,000 |  |  |  |  | 2,900,000 |  |  |  |  |  |  |  |
Newly issued ordinary shares, value |  | $ 61.6 |  |  |  |  |  | $ 61.6 |  |  |  |  |  |  |  |
Treasury Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Treasury shares (in shares) |  | 6,300,000 | 6,300,000 | 400,000 | 500,000 | 2,500,000 | 6,300,000 | 6,300,000 | 400,000 | 6,300,000 | 500,000 |  |  |  |  | 6,300,000
Stock repurchased and retired (in shares) |  |  |  |  | 8,600,000 | 2,100,000 |  |  |  |  |  |  |  |  |  |
Stock repurchased and retired |  |  |  |  | $ (141.7) | $ (33.3) |  |  |  |  |  |  |  |  |  |
Repurchase of ordinary shares (in shares) |  |  |  |  | 6,600,000 | 4,100,000 |  |  |  |  |  |  |  |  |  |
Treasury Stock, Value |  | $ 196.0 | $ 196.0 | $ 11.3 | $ 15.6 | $ 48.7 | $ 196.0 | $ 196.0 | $ 11.3 | $ 196.0 | $ 16.9 |  |  |  |  | $ 196.0
Treasury stock sold at lower than repurchase price |  |  |  | $ (4.3) | $ 0.0 | $ (1.3) |  |  |  |  |  |  |  |  |  |
Sale of treasury shares (in shares) |  |  |  | (100,000) | 0 | 0 |  |  |  |  |  |  |  |  |  |
Treasury Stock, Value, Acquired, Par Value Method |  |  |  |  | $ 108.6 | $ 66.4 |  |  |  |  |  |  |  |  |  |
Accumulated Deficit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchased and retired |  |  |  |  | 9.2 | (1.5) |  |  | $ 7.7 |  |  |  |  |  |  |
Treasury stock sold at lower than repurchase price |  |  |  | $ 3.0 | $ (0.3) | $ 0.7 |  |  |  |  |  |  |  |  |  |
Ordinary Shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends to preferred shareholders (in shares) |  |  |  | 0 | 0 | 0 | 700,000 |  |  |  |  |  |  |  |  |
Stock repurchased and retired (in shares) |  |  |  |  | 0 | 0 |  |  |  |  |  |  |  |  |  |
Stock repurchased and retired |  |  |  |  | $ 132.5 | $ 34.8 |  |  |  |  |  |  |  |  |  |
Repurchase of ordinary shares (in shares) |  |  |  |  | 6,600,000 | 4,100,000 |  |  |  |  |  |  |  |  |  |
Ordinary shares, outstanding (in shares) |  | 641,400,000 | 611,300,000 | 673,800,000 | 673,300,000 | 679,000,000.0 | 639,700,000 | 641,400,000 | 673,800,000 | 639,700,000 | 683,100,000 |  |  |  |  | 606,300,000
Sale of treasury shares (in shares) |  |  |  | 100,000 | 0 | 0 |  |  |  |  |  |  |  |  |  |
Preferred Shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued (in shares) |  | 14,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, dividend rate, percentage |  |  |  |  |  |  |  |  | 5.25% |  |  |  |  |  |  |
Dividends accrued on our 5.25% Series A Mandatory Convertible Preferred Shares |  |  |  | $ 6.2 |  |  | $ 6.3 |  | $ 6.2 | $ 6.3 |  |  |  |  |  |
Preferred Shares | Over-Allotment Option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued (in shares) |  | 1,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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