CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($) $ in Millions | Total | Common Stock | Additional Paid-in Capital | Retained Earnings | Treasury Stock | Accumulated Other Comprehensive Income (Loss) |
Beginning balance (in shares) at Dec. 31, 2022 | | 43,593,809 | | | | |
Beginning balance at Dec. 31, 2022 | $ 2,903.5 | $ 0.4 | $ 1,281.4 | $ 2,610.1 | $ (1,063) | $ 74.4 |
Treasury stock, beginning balance (in shares) at Dec. 31, 2022 | | | | | 22,024,479 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income | 181.4 | | | 181.4 | | |
Change in fair value of cash flow swaps, net of reclassification adjustment | (14.6) | | | | | (14.6) |
Unrealized gain on changes in fair value of debt securities, net of reclassification adjustment and tax expense | 2 | | | | | 2 |
Comprehensive income | 168.7 | | | 181.4 | | (12.6) |
Share-based compensation | 8.6 | | 8.6 | | | |
Issuance of common stock, net of forfeitures in connection with share-based payment arrangements (in shares) | | 120,575 | | | | |
Shares repurchased (in shares) | | | | | 110,323 | |
Share repurchases | (20.7) | | | | $ (20.7) | |
Repurchase of common stock associated with net share settlements of employee share-based awards (in shares) | | | | | 45,613 | |
Repurchase of common stock associated with net share settlement of employee share-based awards | (10.9) | | | | $ (10.9) | |
Repurchase and retirement of common stock (in shares) | | (164,527) | | | (164,527) | |
Retirement of common stock | 0 | | (2) | (28.2) | $ 30.2 | |
Ending balance (in shares) at Mar. 31, 2023 | | 43,549,857 | | | | |
Ending balance at Mar. 31, 2023 | 3,049.2 | $ 0.4 | 1,288 | 2,763.3 | $ (1,064.3) | 61.8 |
Treasury stock, ending balance (in shares) at Mar. 31, 2023 | | | | | 22,015,888 | |
Beginning balance (in shares) at Dec. 31, 2022 | | 43,593,809 | | | | |
Beginning balance at Dec. 31, 2022 | 2,903.5 | $ 0.4 | 1,281.4 | 2,610.1 | $ (1,063) | 74.4 |
Treasury stock, beginning balance (in shares) at Dec. 31, 2022 | | | | | 22,024,479 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income | 547 | | | | | |
Comprehensive income | $ 549.8 | | | | | |
Shares repurchased (in shares) | 1,070,126 | | | | | |
Ending balance (in shares) at Sep. 30, 2023 | | 42,594,062 | | | 22,017,396 | |
Ending balance at Sep. 30, 2023 | $ 3,248.5 | $ 0.4 | 1,287.2 | 2,950.4 | $ (1,066.6) | 77.2 |
Beginning balance (in shares) at Mar. 31, 2023 | | 43,549,857 | | | | |
Beginning balance at Mar. 31, 2023 | 3,049.2 | $ 0.4 | 1,288 | 2,763.3 | $ (1,064.3) | 61.8 |
Treasury stock, beginning balance (in shares) at Mar. 31, 2023 | | | | | 22,015,888 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income | 196.4 | | | 196.4 | | |
Change in fair value of cash flow swaps, net of reclassification adjustment | 12.8 | | | | | 12.8 |
Unrealized gain on changes in fair value of debt securities, net of reclassification adjustment and tax expense | (3.2) | | | | | (3.2) |
Comprehensive income | 206 | | | 196.4 | | 9.6 |
Share-based compensation | 5.5 | | 5.5 | | | |
Issuance of common stock, net of forfeitures in connection with share-based payment arrangements (in shares) | | 1,043 | | | | |
Shares repurchased (in shares) | | | | | 959,803 | |
Share repurchases | (192.1) | | | | $ (192.1) | |
Repurchase of common stock associated with net share settlements of employee share-based awards (in shares) | | | | | 379 | |
Repurchase of common stock associated with net share settlement of employee share-based awards | (0.1) | | | | $ (0.1) | |
Repurchase and retirement of common stock (in shares) | | (959,803) | | | (959,803) | |
Retirement of common stock | 0 | | (11.6) | (178.5) | $ 190.1 | |
Ending balance (in shares) at Jun. 30, 2023 | | 42,591,097 | | | | |
Ending balance at Jun. 30, 2023 | 3,068.6 | $ 0.4 | 1,282 | 2,781.1 | $ (1,066.4) | 71.4 |
Treasury stock, ending balance (in shares) at Jun. 30, 2023 | | | | | 22,016,267 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income | 169.2 | | | 169.2 | | |
Change in fair value of cash flow swaps, net of reclassification adjustment | 8.6 | | | | | 8.6 |
Unrealized gain on changes in fair value of debt securities, net of reclassification adjustment and tax expense | (2.9) | | | | | (2.9) |
Comprehensive income | 175 | | | 169.2 | | 5.7 |
Share-based compensation | $ 5.2 | | 5.2 | | | |
Issuance of common stock, net of forfeitures in connection with share-based payment arrangements (in shares) | | 2,965 | | | | |
Shares repurchased (in shares) | 0 | | | | | |
Repurchase of common stock associated with net share settlements of employee share-based awards (in shares) | | | | | 1,129 | |
Repurchase of common stock associated with net share settlement of employee share-based awards | $ (0.2) | | | | $ (0.2) | |
Ending balance (in shares) at Sep. 30, 2023 | | 42,594,062 | | | 22,017,396 | |
Ending balance at Sep. 30, 2023 | 3,248.5 | $ 0.4 | 1,287.2 | 2,950.4 | $ (1,066.6) | 77.2 |
Beginning balance (in shares) at Dec. 31, 2023 | | 42,352,001 | | | | |
Beginning balance at Dec. 31, 2023 | $ 3,244.1 | $ 0.4 | 1,288.4 | 2,961.5 | $ (1,067.3) | 61.1 |
Treasury stock, beginning balance (in shares) at Dec. 31, 2023 | 22,018,537 | | | | 22,018,537 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income | $ 147.1 | | | 147.1 | | |
Change in fair value of cash flow swaps, net of reclassification adjustment | 7.5 | | | | | 7.5 |
Unrealized gain on changes in fair value of debt securities, net of reclassification adjustment and tax expense | (2.2) | | | | | (2.2) |
Comprehensive income | 152.4 | | | 147.1 | | 5.3 |
Share-based compensation | 10.5 | | 10.5 | | | |
Issuance of common stock, net of forfeitures in connection with share-based payment arrangements (in shares) | | 123,845 | | | | |
Shares repurchased (in shares) | | | | | 239,790 | |
Share repurchases | (50.4) | | | | $ (50.4) | |
Repurchase of common stock associated with net share settlements of employee share-based awards (in shares) | | | | | 45,399 | |
Repurchase of common stock associated with net share settlement of employee share-based awards | (9.8) | | | | $ (9.8) | |
Repurchase and retirement of common stock (in shares) | | (239,790) | | | (239,790) | |
Retirement of common stock | 0 | | (2.9) | (47.1) | $ 50 | |
Ending balance (in shares) at Mar. 31, 2024 | | 42,236,056 | | | | |
Ending balance at Mar. 31, 2024 | 3,346.9 | $ 0.4 | 1,296.1 | 3,061.5 | $ (1,077.5) | 66.4 |
Treasury stock, ending balance (in shares) at Mar. 31, 2024 | | | | | 22,063,936 | |
Beginning balance (in shares) at Dec. 31, 2023 | | 42,352,001 | | | | |
Beginning balance at Dec. 31, 2023 | $ 3,244.1 | $ 0.4 | 1,288.4 | 2,961.5 | $ (1,067.3) | 61.1 |
Treasury stock, beginning balance (in shares) at Dec. 31, 2023 | 22,018,537 | | | | 22,018,537 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income | $ 301.5 | | | | | |
Comprehensive income | $ 290.9 | | | | | |
Shares repurchased (in shares) | 826,340 | | | | | |
Ending balance (in shares) at Sep. 30, 2024 | | 41,652,707 | | | | |
Ending balance at Sep. 30, 2024 | $ 3,362.4 | $ 0.4 | 1,299.7 | 3,090.9 | $ (1,079.1) | 50.5 |
Treasury stock, ending balance (in shares) at Sep. 30, 2024 | 22,065,248 | | | | 22,065,248 | |
Beginning balance (in shares) at Mar. 31, 2024 | | 42,236,056 | | | | |
Beginning balance at Mar. 31, 2024 | $ 3,346.9 | $ 0.4 | 1,296.1 | 3,061.5 | $ (1,077.5) | 66.4 |
Treasury stock, beginning balance (in shares) at Mar. 31, 2024 | | | | | 22,063,936 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income | 28.1 | | | 28.1 | | |
Change in fair value of cash flow swaps, net of reclassification adjustment | (0.4) | | | | | (0.4) |
Unrealized gain on changes in fair value of debt securities, net of reclassification adjustment and tax expense | (1.3) | | | | | (1.3) |
Comprehensive income | 26.4 | | | 28.1 | | (1.7) |
Share-based compensation | 5.7 | | 5.7 | | | |
Issuance of common stock, net of forfeitures in connection with share-based payment arrangements (in shares) | | 841 | | | | |
Shares repurchased (in shares) | | | | | 192,599 | |
Share repurchases | (48.2) | | | | $ (48.2) | |
Repurchase of common stock associated with net share settlements of employee share-based awards (in shares) | | | | | 262 | |
Repurchase of common stock associated with net share settlement of employee share-based awards | (0.1) | | | | $ (0.1) | |
Repurchase and retirement of common stock (in shares) | | (192,599) | | | (192,599) | |
Retirement of common stock | 0 | | (2.3) | (40.9) | $ 43.2 | |
Ending balance (in shares) at Jun. 30, 2024 | | 42,044,298 | | | | |
Ending balance at Jun. 30, 2024 | 3,330.7 | $ 0.4 | 1,299.5 | 3,048.7 | $ (1,082.5) | 64.7 |
Treasury stock, ending balance (in shares) at Jun. 30, 2024 | | | | | 22,064,198 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income | 126.3 | | | 126.3 | | |
Change in fair value of cash flow swaps, net of reclassification adjustment | (21.9) | | | | | (21.9) |
Unrealized gain on changes in fair value of debt securities, net of reclassification adjustment and tax expense | 7.7 | | | | | 7.7 |
Comprehensive income | 112.1 | | | 126.3 | | (14.2) |
Share-based compensation | $ 5 | | 5 | | | |
Issuance of common stock, net of forfeitures in connection with share-based payment arrangements (in shares) | | 2,360 | | | | |
Shares repurchased (in shares) | 393,951 | | | | 393,951 | |
Share repurchases | $ (85.2) | | | | $ (85.2) | |
Repurchase of common stock associated with net share settlements of employee share-based awards (in shares) | | | | | 1,050 | |
Repurchase of common stock associated with net share settlement of employee share-based awards | (0.2) | | | | $ (0.2) | |
Repurchase and retirement of common stock (in shares) | | (393,951) | | | (393,951) | |
Retirement of common stock | 0 | | (4.8) | (84.1) | $ 88.9 | |
Ending balance (in shares) at Sep. 30, 2024 | | 41,652,707 | | | | |
Ending balance at Sep. 30, 2024 | $ 3,362.4 | $ 0.4 | $ 1,299.7 | $ 3,090.9 | $ (1,079.1) | $ 50.5 |
Treasury stock, ending balance (in shares) at Sep. 30, 2024 | 22,065,248 | | | | 22,065,248 | |