CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($) $ in Millions | Total | Common Stock | Additional Paid-in Capital | Retained Earnings | Treasury Stock | Accumulated Other Comprehensive Income (Loss) |
Balance (in shares) at Dec. 31, 2021 | | 45,052,293 | | | 21,914,251 | |
Balance at Dec. 31, 2021 | $ 2,115.5 | $ 0.4 | $ 1,278.6 | $ 1,881.3 | $ (1,044.1) | $ (0.7) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income | 237.7 | | | 237.7 | | |
Change in fair value of cash flow swaps, net of reclassification adjustment | 31.8 | | | | | 31.8 |
Unrealized loss on changes in fair value of debt securities, net of reclassification adjustment and $0.2 million tax benefit | (2) | | | | | (2) |
Comprehensive income | 267.5 | | | 237.7 | | 29.8 |
Share-based compensation | 7 | | 7 | | | |
Issuance of common stock, net of forfeitures in connection with share-based payment arrangements (in shares) | | (115,435) | | | | |
Issuance of common stock, net of forfeitures, in connection with share-based payment arrangements | 0 | | 0 | | | |
Repurchase of common stock associated with net share settlements of employee share-based awards (in shares) | | | | | 53,810 | |
Repurchase of common stock associated with net share settlement of employee share-based awards | (8.9) | | | | $ (8.9) | |
Share issues (repurchases) (in shares) | | | | | 1,069,203 | |
Share repurchases | (198.6) | | 1.4 | | $ (200) | |
Retirement of common stock (in shares) | | (1,069,203) | | | (1,069,203) | |
Retirement of common stock | 0 | | (12.9) | (187.1) | $ 200 | |
Balance (in shares) at Mar. 31, 2022 | | 44,098,525 | | | 21,968,061 | |
Balance at Mar. 31, 2022 | 2,182.5 | $ 0.4 | 1,274.1 | 1,931.9 | $ (1,053) | 29.1 |
Balance (in shares) at Dec. 31, 2021 | | 45,052,293 | | | 21,914,251 | |
Balance at Dec. 31, 2021 | 2,115.5 | $ 0.4 | 1,278.6 | 1,881.3 | $ (1,044.1) | (0.7) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income | 644.1 | | | | | |
Comprehensive income | $ 718.7 | | | | | |
Retirement of common stock (in shares) | (1,069,203) | | | | | |
Balance (in shares) at Sep. 30, 2022 | | 44,102,585 | | | 21,969,528 | |
Balance at Sep. 30, 2022 | $ 2,642.9 | $ 0.4 | 1,283.4 | 2,338.2 | $ (1,053.3) | 74.1 |
Balance (in shares) at Mar. 31, 2022 | | 44,098,525 | | | 21,968,061 | |
Balance at Mar. 31, 2022 | 2,182.5 | $ 0.4 | 1,274.1 | 1,931.9 | $ (1,053) | 29.1 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income | 201.4 | | | 201.4 | | |
Change in fair value of cash flow swaps, net of reclassification adjustment | 21.7 | | | | | 21.7 |
Change in fair value of cash flow swaps, net of reclassification adjustment and $6.9 million tax expense | 0.2 | | | | | 0.2 |
Comprehensive income | 223.3 | | | 201.4 | | 21.9 |
Share-based compensation | 4.7 | | 4.7 | | | |
Issuance of common stock, net of forfeitures in connection with share-based payment arrangements (in shares) | | (1,485) | | | | |
Repurchase of common stock associated with net share settlements of employee share-based awards (in shares) | | | | | 436 | |
Repurchase of common stock associated with net share settlement of employee share-based awards | (0.1) | | | | $ (0.1) | |
Balance (in shares) at Jun. 30, 2022 | | 44,100,010 | | | 21,968,497 | |
Balance at Jun. 30, 2022 | 2,410.4 | $ 0.4 | 1,278.8 | 2,133.3 | $ (1,053.1) | 51 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income | 205 | | | 205 | | |
Change in fair value of cash flow swaps, net of reclassification adjustment | 25.3 | | | | | 25.3 |
Change in fair value of cash flow swaps, net of reclassification adjustment and $6.9 million tax expense | (2.5) | | | | | (2.5) |
Comprehensive income | 227.9 | | | 205 | | 22.9 |
Share-based compensation | 4.7 | | 4.7 | | | |
Issuance of common stock, net of forfeitures in connection with share-based payment arrangements (in shares) | | (2,575) | | | | |
Repurchase of common stock associated with net share settlements of employee share-based awards (in shares) | | | | | 1,031 | |
Repurchase of common stock associated with net share settlement of employee share-based awards | $ (0.2) | | | | $ (0.2) | |
Retirement of common stock (in shares) | 0 | | | | | |
Balance (in shares) at Sep. 30, 2022 | | 44,102,585 | | | 21,969,528 | |
Balance at Sep. 30, 2022 | $ 2,642.9 | $ 0.4 | 1,283.4 | 2,338.2 | $ (1,053.3) | 74.1 |
Balance (in shares) at Dec. 31, 2022 | | 43,593,809 | | | 22,024,479 | |
Balance at Dec. 31, 2022 | 2,903.5 | $ 0.4 | 1,281.4 | 2,610.1 | $ (1,063) | 74.4 |
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 loss on changes in fair value of debt securities, net of reclassification adjustment and $0.2 million tax benefit | 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) | | | | |
Issuance of common stock, net of forfeitures, in connection with share-based payment arrangements | | | | | | |
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) | |
Share issues (repurchases) (in shares) | | | | | 110,323 | |
Share repurchases | (20.7) | | | | $ (20.7) | |
Retirement of common stock (in shares) | | (164,527) | | | (164,527) | |
Retirement of common stock | 0 | | (2) | (28.2) | $ 30.2 | |
Balance (in shares) at Mar. 31, 2023 | | 43,549,857 | | | 22,015,888 | |
Balance at Mar. 31, 2023 | 3,049.2 | $ 0.4 | 1,288 | 2,763.3 | $ (1,064.3) | 61.8 |
Balance (in shares) at Dec. 31, 2022 | | 43,593,809 | | | 22,024,479 | |
Balance at Dec. 31, 2022 | 2,903.5 | $ 0.4 | 1,281.4 | 2,610.1 | $ (1,063) | 74.4 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income | 547 | | | | | |
Comprehensive income | $ 549.8 | | | | | |
Retirement of common stock (in shares) | (1,070,126) | | | | | |
Balance (in shares) at Sep. 30, 2023 | | 42,594,062 | | | 22,017,396 | |
Balance at Sep. 30, 2023 | $ 3,248.5 | $ 0.4 | 1,287.2 | 2,950.4 | $ (1,066.6) | 77.2 |
Balance (in shares) at Mar. 31, 2023 | | 43,549,857 | | | 22,015,888 | |
Balance at Mar. 31, 2023 | 3,049.2 | $ 0.4 | 1,288 | 2,763.3 | $ (1,064.3) | 61.8 |
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 loss on changes in fair value of debt securities, net of reclassification adjustment and $0.2 million tax benefit | (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) | | | | |
Issuance of common stock, net of forfeitures, in connection with share-based payment arrangements | 0 | | | | | |
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) | |
Share issues (repurchases) (in shares) | | | | | 959,803 | |
Share repurchases | (192.1) | | | | $ (192.1) | |
Retirement of common stock (in shares) | | (959,803) | | | (959,803) | |
Retirement of common stock | 0 | | (11.6) | (178.5) | $ 190.1 | |
Balance (in shares) at Jun. 30, 2023 | | 42,591,097 | | | 22,016,267 | |
Balance at Jun. 30, 2023 | 3,068.6 | $ 0.4 | 1,282 | 2,781.1 | $ (1,066.4) | 71.4 |
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 loss on changes in fair value of debt securities, net of reclassification adjustment and $0.2 million tax benefit | (2.9) | | | | | (2.9) |
Comprehensive income | 175 | | | 169.2 | $ 0 | 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) | | | | |
Issuance of common stock, net of forfeitures, in connection with share-based payment arrangements | 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) | |
Retirement of common stock (in shares) | 0 | | | | | |
Balance (in shares) at Sep. 30, 2023 | | 42,594,062 | | | 22,017,396 | |
Balance at Sep. 30, 2023 | $ 3,248.5 | $ 0.4 | $ 1,287.2 | $ 2,950.4 | $ (1,066.6) | $ 77.2 |