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Shareholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions |  |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
May 06, 2022 | May 07, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Aug. 31, 2021 | Aug. 31, 2019
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Net earnings, net of tax, attributable to noncontrolling interests |  |  | $ 6.7 | $ 2.8 | $ 9.4 | $ 8.2 |  |
Dividend declared per share | $ 1.36 | $ 1.26 |  |  |  |  |  |
Dividend declared date | May 06, 2022 | May 07, 2021 |  |  |  |  |  |
Dividend payable date | Jun. 15, 2022 | Jun. 15, 2021 |  |  |  |  |  |
Dividends Payable, Date of Record | Jun. 01, 2022 | Jun. 01, 2021 |  |  |  |  |  |
Shares authorized to be repurchased (in shares) |  |  |  |  |  |  | 4,000,000.0 | 6,000,000.0
Shares repurchased (in shares) |  |  |  |  | 1,700,000 |  |  |
August 2021 Authorization |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Shares repurchased (in shares) |  |  |  |  | 500,000 |  |  |
Shares remaining authorized for repurchase (in shares) |  |  | 3,500,000 |  | 3,500,000 |  |  |
August 2019 Authorization |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Shares repurchased (in shares) |  |  |  |  | 1,200,000 | 1,500,000 |  |
Total cost of shares repurchased |  |  |  |  | $ 160.0 | $ 150.1 |  |
Shares remaining authorized for repurchase (in shares) |  |  | 0 |  | 0 |  |  |
Non-Controlling Interests |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Net earnings, net of tax, attributable to noncontrolling interests |  |  | $ 0.2 | $ 0.2 | $ 0.7 | $ 1.1 |  |

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