Consolidated Statement of Changes in Equity (unaudited) - USD ($) $ in Millions | Total | Shares Outstanding (SoE QTD) | Common Stock [Member] | Additional Paid-In Capital [Member] | Retained Earnings [Member] | Shares Held in Trust [Member] | Treasury Stock, Common | AOCI Attributable to Parent [Member] | Noncontrolling Interest [Member] |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Common Stock, Shares, Outstanding | | 50,024,139 | | | | | | | | |
Balances at Dec. 31, 2021 | $ 6,413.4 | | $ 0.5 | $ 2,053.7 | $ 4,937.6 | $ (5.2) | $ (406.3) | $ (395.4) | $ 228.5 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest | 143.9 | | | | 145.6 | | | | (1.7) | |
Shares issued under stock compensation programs (in shares) | | 305,435 | | | | | | | | |
Shares issued under stock compensation programs | 1.9 | | | (3.6) | | | 5.5 | | | |
Shares repurchased for payment of taxes on stock awards (in shares) | | (105,295) | | | | | | | | |
Shares repurchased for payment of taxes on stock awards | 3.8 | | | 1.9 | | | 1.9 | | | |
Amortization of stock compensation | 18.6 | | | 18.6 | | | | | | |
(Increase) Decrease In Common Stock Held In Trust | 0.1 | | | | | 0.1 | | | | |
Treasury Stock, Shares, Acquired | | (615,351) | | | | | | | | |
Treasury Stock, Value, Acquired, Cost Method | (150) | | | | | | (150) | | | |
Foreign currency translation adjustments (SoE QTD) | (24.1) | | | | | | | (24.1) | | |
Distributions to noncontrolling interest | 15.2 | | | | | | | | 15.2 | |
Balances at Mar. 31, 2022 | 6,415.2 | | 0.5 | 2,066.8 | 5,083.2 | (5.1) | (552.7) | (419.5) | 242 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Common Stock, Shares, Outstanding | | 49,608,928 | | | | | | | | |
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest | | | | | (0.1) | | | | | |
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest | 335.6 | | | | 193.9 | | | | 141.7 | [1] |
Shares issued under stock compensation programs (in shares) | | 36,251 | | | | | | | | |
Shares issued under stock compensation programs | 15.1 | | | (25.4) | (1.7) | | 42.2 | | | |
Shares repurchased for payment of taxes on stock awards (in shares) | | (6,592) | | | | | | | | |
Shares repurchased for payment of taxes on stock awards | 33 | | | 16.5 | | | 16.5 | | | |
Amortization of stock compensation | 25.8 | | | 25.8 | | | | | | |
Treasury Stock, Shares, Acquired | | (1,397,915) | | | | | | | | |
Treasury Stock, Value, Acquired, Cost Method | (297.7) | | | | | | (297.7) | | | |
Foreign currency translation adjustments (SoE QTD) | (164.4) | | | | | | | (164.4) | | |
Distributions to noncontrolling interest | (149.9) | | | | | | | | (149.9) | |
Balances at Jun. 30, 2022 | 6,146.7 | | 0.5 | 2,050.7 | 5,275.4 | (5.1) | (824.7) | (583.9) | 233.8 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Common Stock, Shares, Outstanding | | 48,240,672 | | | | | | | | |
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest | | | | | (0.1) | | | | | |
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest | 138.2 | | | | 140.2 | | | | (2) | [1] |
Shares issued under stock compensation programs (in shares) | | 209,110 | | | | | | | | |
Shares issued under stock compensation programs | 17 | | | (23.6) | 0 | | 40.6 | | | |
Shares repurchased for payment of taxes on stock awards (in shares) | | (85,659) | | | | | | | | |
Shares repurchased for payment of taxes on stock awards | 35.8 | | | 17.9 | | | 17.9 | | | |
Amortization of stock compensation | 25.3 | | | 25.3 | | | | | | |
Treasury Stock, Shares, Acquired | | (847,549) | | | | | | | | |
Treasury Stock, Value, Acquired, Cost Method | (148.9) | | | | | | (148.9) | | | |
Foreign currency translation adjustments (SoE QTD) | (139.1) | | | | | | | (139.1) | | |
Distributions to noncontrolling interest | (1.2) | | | | | | | | (1.2) | |
Balances at Sep. 30, 2022 | $ 6,002.2 | | 0.5 | 2,034.5 | 5,415.6 | (5.1) | (950.9) | (723) | 230.6 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Common Stock, Shares, Outstanding | | 47,516,574 | | | | | | | | |
Common Stock, Shares, Outstanding | 47,507,758 | 47,507,758 | | | | | | | | |
Balances at Dec. 31, 2022 | $ 6,142.5 | | 0.5 | 2,022.6 | 5,590.4 | (9.8) | (934.6) | (648.2) | 121.6 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest | (8.7) | | | | (9.2) | | | | 0.5 | |
Shares issued under stock compensation programs (in shares) | | 146,727 | | | | | | | | |
Shares issued under stock compensation programs | 7 | | | (60.3) | (14.5) | | 81.8 | | | |
Shares repurchased for payment of taxes on stock awards (in shares) | | (45,281) | | | | | | | | |
Shares repurchased for payment of taxes on stock awards | 28.4 | | | (2.3) | | | 30.7 | | | |
Amortization of stock compensation | 16.7 | | | 16.7 | | | | | | |
Foreign currency translation adjustments (SoE QTD) | 26.8 | | | | | | | 26.8 | | |
Distributions to noncontrolling interest | (0.7) | | | | | | | | (0.7) | |
Balances at Mar. 31, 2023 | 6,155.2 | | 0.5 | 1,981.3 | 5,566.7 | (9.8) | (883.5) | (621.4) | 121.4 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Common Stock, Shares, Outstanding | | 47,609,204 | | | | | | | | |
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest | | | | | 0.1 | | | | | |
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest | 3.1 | | | | 2.5 | | | | 0.6 | [2] |
Shares issued under stock compensation programs (in shares) | | 288,834 | | | | | | | | |
Shares issued under stock compensation programs | 3.2 | | | (2.3) | (1.6) | | 7.1 | | | |
Shares repurchased for payment of taxes on stock awards (in shares) | | (104,766) | | | | | | | | |
Shares repurchased for payment of taxes on stock awards | 0.1 | | | | | | (0.1) | | | |
Amortization of stock compensation | 36.3 | | | 36.3 | | | | | | |
(Increase) Decrease In Common Stock Held In Trust | (1.8) | | | | | (1.8) | | | | |
Treasury Stock, Shares, Acquired | | (72,322) | | | | | | | | |
Treasury Stock, Value, Acquired, Cost Method | (19.5) | | | | | | (19.5) | | | |
Change in pension liabilities, net of tax (SoE QTD) | (1.1) | | | | | | | (1.1) | | |
Foreign currency translation adjustments (SoE QTD) | 11.1 | | | | | | | 11.1 | | |
Distributions to noncontrolling interest | (1.8) | | | | | | | | (1.8) | |
Balances at Jun. 30, 2023 | 6,184.8 | | 0.5 | 2,015.3 | 5,567.6 | (11.6) | (895.8) | (611.4) | 120.2 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Common Stock, Shares, Outstanding | | 47,720,950 | | | | | | | | |
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest | | | | | (0.3) | | | | | |
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest | 59.6 | | | | 59.7 | | | | (0.1) | [2] |
Shares issued under stock compensation programs (in shares) | | 67,398 | | | | | | | | |
Shares issued under stock compensation programs | (1.3) | | | (12.3) | (2.8) | | 13.8 | | | |
Shares repurchased for payment of taxes on stock awards (in shares) | | (25,983) | | | | | | | | |
Shares repurchased for payment of taxes on stock awards | 5.3 | | | | | | 5.3 | | | |
Amortization of stock compensation | 6.5 | | | 6.5 | | | | | | |
(Increase) Decrease In Common Stock Held In Trust | 0.2 | | | | | 0.2 | | | | |
Treasury Stock, Shares, Acquired | | (150,160) | | | | | | | | |
Treasury Stock, Value, Acquired, Cost Method | (19.9) | | | | | | (19.9) | | | |
Foreign currency translation adjustments (SoE QTD) | (60) | | | | | | | (60) | | |
Distributions to noncontrolling interest | (1.7) | | | | | | | | (1.7) | |
Balances at Sep. 30, 2023 | $ 6,162.9 | | $ 0.5 | $ 2,009.5 | $ 5,624.5 | $ (11.4) | $ (907.2) | $ (671.4) | $ 118.4 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Common Stock, Shares, Outstanding | 47,612,205 | 47,612,205 | | | | | | | | |
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[1]Excludes net loss attributable to redeemable noncontrolling interest of $0.1 million for both the three months ended September 30, 2022 and June 30, 2022.[2]Excludes net (loss) income attributable to redeemable noncontrolling interest of $(0.3) million and $0.1 million for the three months ended September 30, 2023 and June 30, 2023. |