Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Millions |
Total |
Cumulative change related to the adoption of ASU 2016-13 |
Cumulative effect, period of adoption, adjusted balance |
Common Stock Including Additional Paid in Capital [Member] |
Common Stock Including Additional Paid in Capital [Member]
Cumulative change related to the adoption of ASU 2016-13
|
Common Stock Including Additional Paid in Capital [Member]
Cumulative effect, period of adoption, adjusted balance
|
Retained earnings |
Retained earnings
Cumulative change related to the adoption of ASU 2016-13
|
Retained earnings
Cumulative effect, period of adoption, adjusted balance
|
Accumulated other comprehensive loss |
Accumulated other comprehensive loss
Cumulative change related to the adoption of ASU 2016-13
|
Accumulated other comprehensive loss
Cumulative effect, period of adoption, adjusted balance
|
Equity, beginning balance at Dec. 31, 2022 |
$ 3,073.8
|
|
|
$ 2,478.2
|
|
|
$ 1,072.7
|
|
|
$ (477.1)
|
|
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
|
Net income |
196.0
|
|
|
0.0
|
|
|
196.0
|
|
|
0.0
|
|
|
Other comprehensive income (loss), net of tax expense |
$ (44.6)
|
|
|
0.0
|
|
|
0.0
|
|
|
(44.6)
|
|
|
Stock repurchased and retired (in shares) |
55,922
|
|
|
|
|
|
|
|
|
|
|
|
Non-vested common shares issued (in shares) |
683,574
|
|
|
|
|
|
|
|
|
|
|
|
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited |
58,304
|
|
|
|
|
|
|
|
|
|
|
|
Common stock transactions: |
|
|
|
|
|
|
|
|
|
|
|
|
Common shares purchased and retired |
$ (1.9)
|
|
|
(1.9)
|
|
|
0.0
|
|
|
0.0
|
|
|
Non-vested common shares issued |
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
Non-vested common shares forfeited or canceled |
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
Stock-based compensation expense |
$ 8.6
|
|
|
8.6
|
|
|
0.0
|
|
|
0.0
|
|
|
Common dividends (in dollars per share) |
$ 1.41
|
|
|
|
|
|
|
|
|
|
|
|
Common cash dividend declared |
$ (146.4)
|
|
|
0.0
|
|
|
(146.4)
|
|
|
0.0
|
|
|
Equity, ending balance at Sep. 30, 2023 |
3,085.5
|
|
|
2,484.9
|
|
|
1,122.3
|
|
|
(521.7)
|
|
|
Equity, beginning balance at Jun. 30, 2023 |
3,121.1
|
|
|
2,481.3
|
|
|
1,098.8
|
|
|
(459.0)
|
|
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
|
Net income |
72.7
|
|
|
0.0
|
|
|
72.7
|
|
|
0.0
|
|
|
Other comprehensive income (loss), net of tax expense |
$ (62.7)
|
|
|
0.0
|
|
|
0.0
|
|
|
(62.7)
|
|
|
Stock repurchased and retired (in shares) |
494
|
|
|
|
|
|
|
|
|
|
|
|
Non-vested common shares issued (in shares) |
12,663
|
|
|
|
|
|
|
|
|
|
|
|
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited |
21,481
|
|
|
|
|
|
|
|
|
|
|
|
Common stock transactions: |
|
|
|
|
|
|
|
|
|
|
|
|
Common shares purchased and retired |
$ 0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
Non-vested common shares issued |
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
Non-vested common shares forfeited or canceled |
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
Stock-based compensation expense |
$ 3.6
|
|
|
3.6
|
|
|
0.0
|
|
|
0.0
|
|
|
Common dividends (in dollars per share) |
$ 0.47
|
|
|
|
|
|
|
|
|
|
|
|
Common cash dividend declared |
$ (49.2)
|
|
|
0.0
|
|
|
(49.2)
|
|
|
0.0
|
|
|
Equity, ending balance at Sep. 30, 2023 |
3,085.5
|
|
|
2,484.9
|
|
|
1,122.3
|
|
|
(521.7)
|
|
|
Equity, beginning balance at Dec. 31, 2023 |
3,227.5
|
$ 1.2
|
$ 3,228.7
|
2,448.9
|
$ 0.0
|
$ 2,448.9
|
1,135.1
|
$ 1.2
|
$ 1,136.3
|
(356.5)
|
$ 0.0
|
$ (356.5)
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
|
Net income |
173.9
|
|
|
0.0
|
|
|
173.9
|
|
|
0.0
|
|
|
Other comprehensive income (loss), net of tax expense |
$ 101.6
|
|
|
0.0
|
|
|
0.0
|
|
|
101.6
|
|
|
Stock repurchased and retired (in shares) |
49,420
|
|
|
|
|
|
|
|
|
|
|
|
Non-vested common shares issued (in shares) |
742,979
|
|
|
|
|
|
|
|
|
|
|
|
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited |
105,322
|
|
|
|
|
|
|
|
|
|
|
|
Common stock transactions: |
|
|
|
|
|
|
|
|
|
|
|
|
Common shares purchased and retired |
$ (1.2)
|
|
|
(1.2)
|
|
|
0.0
|
|
|
0.0
|
|
|
Non-vested common shares issued |
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
Non-vested common shares forfeited or canceled |
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
Stock-based compensation expense |
$ 9.7
|
|
|
9.7
|
|
|
0.0
|
|
|
0.0
|
|
|
Common dividends (in dollars per share) |
$ 1.41
|
|
|
|
|
|
|
|
|
|
|
|
Common cash dividend declared |
$ (146.9)
|
|
|
0.0
|
|
|
(146.9)
|
|
|
0.0
|
|
|
Equity, ending balance at Sep. 30, 2024 |
3,365.8
|
|
|
2,457.4
|
|
|
1,163.3
|
|
|
(254.9)
|
|
|
Equity, beginning balance at Jun. 30, 2024 |
3,225.3
|
|
|
2,453.9
|
|
|
1,156.9
|
|
|
(385.5)
|
|
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
|
Net income |
55.5
|
|
|
0.0
|
|
|
55.5
|
|
|
0.0
|
|
|
Other comprehensive income (loss), net of tax expense |
$ 130.6
|
|
|
0.0
|
|
|
0.0
|
|
|
130.6
|
|
|
Stock repurchased and retired (in shares) |
3,972
|
|
|
|
|
|
|
|
|
|
|
|
Non-vested common shares issued (in shares) |
4,881
|
|
|
|
|
|
|
|
|
|
|
|
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited |
31,664
|
|
|
|
|
|
|
|
|
|
|
|
Common stock transactions: |
|
|
|
|
|
|
|
|
|
|
|
|
Common shares purchased and retired |
$ (0.1)
|
|
|
(0.1)
|
|
|
0.0
|
|
|
0.0
|
|
|
Non-vested common shares issued |
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
Non-vested common shares forfeited or canceled |
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
0.0
|
|
|
Stock-based compensation expense |
$ 3.6
|
|
|
3.6
|
|
|
0.0
|
|
|
0.0
|
|
|
Common dividends (in dollars per share) |
$ 0.47
|
|
|
|
|
|
|
|
|
|
|
|
Common cash dividend declared |
$ (49.1)
|
|
|
0.0
|
|
|
(49.1)
|
|
|
0.0
|
|
|
Equity, ending balance at Sep. 30, 2024 |
$ 3,365.8
|
|
|
$ 2,457.4
|
|
|
$ 1,163.3
|
|
|
$ (254.9)
|
|
|