Employee Benefit Plans (Details) $ / shares in Units, $ in Millions |
3 Months Ended |
12 Months Ended |
Sep. 30, 2015
USD ($)
shares
|
Dec. 31, 2021
USD ($)
plan
$ / shares
shares
|
Dec. 31, 2020
USD ($)
$ / shares
shares
|
Dec. 31, 2019
USD ($)
$ / shares
shares
|
Dec. 31, 2018
USD ($)
$ / shares
shares
|
Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
|
Defined Benefit Plan, Securities at Net Asset Value |
|
$ 4.0
|
$ 16.8
|
|
|
stock acquired during period value employee stock ownership plan |
$ 34.0
|
|
50.0
|
|
$ 50.0
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
462.7
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
551.9
|
462.7
|
|
|
Net pretax amount recognized |
|
(101.9)
|
$ 84.8
|
$ 6.8
|
|
Estimated future cash contributions next year |
|
$ 0.0
|
|
|
|
Employee savings and stock ownership plan, number of allocated shares | shares |
|
18,991,924
|
|
|
|
Employee savings and stock ownership plan, number of allocated shares to employees | shares |
|
12,958,437
|
|
|
|
Share contractual period |
|
10 years
|
|
|
|
Number of shares available for future issuances | shares |
|
4,700,000
|
|
|
|
Maximum Number of Common Stock Shares Available Under 2016 Stock Option Plan | shares |
|
15,000,000.0
|
|
|
|
Award vesting rate, within one year of grant date |
|
10.00%
|
|
|
|
Award vesting rate, between year one and year two |
|
15.00%
|
|
|
|
Award vesting rate, between year two and year three |
|
20.00%
|
|
|
|
Award vesting rate, between year three and year four |
|
25.00%
|
|
|
|
Award vesting rate, between year four and year five |
|
30.00%
|
|
|
|
Expected volatility |
|
20.00%
|
17.00%
|
18.00%
|
|
Share-based compensation expense |
|
$ 3.2
|
$ 2.1
|
$ 3.7
|
|
Income tax benefit |
|
$ 0.6
|
$ 0.4
|
$ 0.7
|
|
Expected dividends |
|
4.76%
|
5.72%
|
4.10%
|
|
Expected term (in years) |
|
7 years
|
7 years
|
7 years
|
|
Risk-free rate |
|
1.21%
|
0.72%
|
2.54%
|
|
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
|
Options, outstanding at beginning of year | shares |
|
9,494,651
|
8,009,237
|
7,163,567
|
|
Granted | shares |
|
2,216,250
|
1,901,100
|
1,777,500
|
|
Exercised | shares |
|
3,259,273
|
397,653
|
848,923
|
|
Forfeited and canceled | shares |
|
107,158
|
18,033
|
82,907
|
|
Options, outstanding at end of year | shares |
|
8,344,470
|
9,494,651
|
8,009,237
|
7,163,567
|
Exercisable at end of year | shares |
|
4,652,951
|
6,138,602
|
5,100,009
|
|
Options, outstanding, weighted average exercise price | $ / shares |
|
$ 19.57
|
$ 18.36
|
$ 18.43
|
$ 17.24
|
Granted, Weighted Average Exercise Price | $ / shares |
|
21.30
|
17.24
|
21.14
|
|
Exercised, Weighted Average Exercise Price | $ / shares |
|
17.28
|
14.44
|
14.14
|
|
Forfeited and canceled, Weighted Average Exercise Price | $ / shares |
|
18.32
|
16.72
|
17.05
|
|
Exercisable at end of year, Weighted Average Exercise Price | $ / shares |
|
19.22
|
17.81
|
17.18
|
|
Weighted average fair value of options granted during the year | $ / shares |
|
$ 1.86
|
$ 0.88
|
$ 2.35
|
|
Total unrecognized compensation cost |
|
$ 3.4
|
|
|
|
Unrecognized stock compensation costs, weighted average remaining contractual term |
|
3 years
|
|
|
|
Cash received from stock option exercise |
|
$ 56.3
|
$ 5.7
|
$ 12.0
|
|
Intrinsic value of stock options exercised |
|
24.2
|
2.8
|
6.8
|
|
Actual tax benefit realized for tax deductions from stock options exercised |
|
5.0
|
0.5
|
1.4
|
|
Employees Savings and Stock Ownership Plan [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Defined contribution plan, cost recognized |
|
44.6
|
30.6
|
21.7
|
|
Other profit sharing plans [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Defined contribution plan, cost recognized |
|
26.1
|
24.0
|
18.4
|
|
Cash and deferred incentive compensation [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Defined contribution plan, cost recognized |
|
71.6
|
53.7
|
48.3
|
|
Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
409.1
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
491.3
|
409.1
|
|
|
Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
49.0
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
57.9
|
49.0
|
|
|
Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
4.5
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
$ 2.6
|
4.5
|
|
|
Pension Plans, Defined Benefit [Member] |
|
|
|
|
|
Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
|
Number of benefit plans | plan |
|
1
|
|
|
|
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] |
|
|
|
|
|
Projected benefit obligation at beginning of year |
|
$ 639.7
|
586.4
|
530.1
|
|
Interest cost |
|
15.2
|
19.1
|
22.6
|
|
Actuarial (gains) losses |
|
(22.2)
|
60.8
|
59.8
|
|
Benefits paid |
|
(28.0)
|
(26.6)
|
(26.0)
|
|
Net increase (decrease) for the year |
|
(35.1)
|
53.3
|
56.3
|
|
Projected benefit obligation at end of year |
|
604.6
|
639.7
|
586.4
|
$ 530.1
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
479.6
|
492.8
|
430.2
|
|
Actual return on plan assets |
|
104.4
|
6.8
|
82.1
|
|
Sponsor contributions |
|
0.0
|
6.6
|
6.5
|
|
Benefits paid |
|
(28.0)
|
(26.6)
|
(26.0)
|
|
Net increase (decrease) for year |
|
76.3
|
(13.1)
|
62.5
|
|
Fair value of net assets available for plan benefits at end of year |
|
556.0
|
479.6
|
492.8
|
$ 430.2
|
Defined Benefit Plan, Funded (Unfunded) Status of Plan |
|
(48.6)
|
(160.1)
|
(93.6)
|
|
Net cost |
|
(9.8)
|
(11.0)
|
(3.0)
|
|
Net recognized loss |
|
$ (123.2)
|
$ (224.8)
|
$ (140.5)
|
|
Settlement discount rates - Projected Benefit Obligation |
|
2.80%
|
2.45%
|
|
|
Settlement discount rates - Net Periodic Benefit Costs |
|
2.45%
|
3.35%
|
4.40%
|
|
Long-term rates of return on plans' assets |
|
7.00%
|
7.00%
|
7.00%
|
|
Expected future benefit payments in year one |
|
$ 31.9
|
|
|
|
Expected future benefit payments in year two |
|
32.8
|
|
|
|
Expected future benefit payments in year three |
|
33.4
|
|
|
|
Expected future benefit payments in year four |
|
33.8
|
|
|
|
Expected future benefit payments in year five |
|
34.4
|
|
|
|
Expected future benefit payments in five fiscal years thereafter |
|
$ 170.5
|
|
|
|
Total investments |
|
100.00%
|
100.00%
|
|
|
Pension Plans, Defined Benefit [Member] | Common shares of Company stock [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
$ 55.7
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
$ 69.5
|
$ 55.7
|
|
|
Total investments |
|
12.50%
|
11.70%
|
|
|
Pension Plans, Defined Benefit [Member] | Common shares of Company stock [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
$ 55.7
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
69.5
|
$ 55.7
|
|
|
Pension Plans, Defined Benefit [Member] | Common shares of Company stock [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
0.0
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
0.0
|
0.0
|
|
|
Pension Plans, Defined Benefit [Member] | Common shares of Company stock [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
0.0
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
0.0
|
0.0
|
|
|
Pension Plans, Defined Benefit [Member] | Equity securities, other [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
341.7
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
$ 414.5
|
$ 341.7
|
|
|
Total investments |
|
74.60%
|
74.00%
|
|
|
Pension Plans, Defined Benefit [Member] | Equity securities, other [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
$ 341.7
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
414.5
|
$ 341.7
|
|
|
Pension Plans, Defined Benefit [Member] | Equity securities, other [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
0.0
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
0.0
|
0.0
|
|
|
Pension Plans, Defined Benefit [Member] | Equity securities, other [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
0.0
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
0.0
|
0.0
|
|
|
Pension Plans, Defined Benefit [Member] | Equity Securities [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
397.4
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
$ 484.1
|
$ 397.4
|
|
|
Total investments |
|
87.10%
|
85.70%
|
|
|
Pension Plans, Defined Benefit [Member] | Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
$ 397.4
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
484.1
|
$ 397.4
|
|
|
Pension Plans, Defined Benefit [Member] | Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
0.0
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
0.0
|
0.0
|
|
|
Pension Plans, Defined Benefit [Member] | Equity Securities [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
0.0
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
0.0
|
0.0
|
|
|
Pension Plans, Defined Benefit [Member] | Fixed maturity securities [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
51.0
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
$ 57.9
|
$ 51.0
|
|
|
Total investments |
|
10.40%
|
10.60%
|
|
|
Pension Plans, Defined Benefit [Member] | Fixed maturity securities [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
$ 2.0
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
0.0
|
$ 2.0
|
|
|
Pension Plans, Defined Benefit [Member] | Fixed maturity securities [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
49.0
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
57.9
|
49.0
|
|
|
Pension Plans, Defined Benefit [Member] | Fixed maturity securities [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
0.0
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
0.0
|
0.0
|
|
|
Pension Plans, Defined Benefit [Member] | Benefit plan assets, Other [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
14.2
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
$ 9.9
|
$ 14.2
|
|
|
Total investments |
|
2.50%
|
3.70%
|
|
|
Pension Plans, Defined Benefit [Member] | Benefit plan assets, Other [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
$ 9.6
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
7.2
|
$ 9.6
|
|
|
Pension Plans, Defined Benefit [Member] | Benefit plan assets, Other [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
0.0
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
0.0
|
0.0
|
|
|
Pension Plans, Defined Benefit [Member] | Benefit plan assets, Other [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Fair value of net assets available for plan benefits at beginning of year |
|
4.5
|
|
|
|
Fair value of net assets available for plan benefits at end of year |
|
$ 2.6
|
$ 4.5
|
|
|
Minimum [Member] | Pension Plans, Defined Benefit [Member] | Equity Securities [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Investment Policy Asset Allocation % Range Target |
|
40.00%
|
|
|
|
Minimum [Member] | Pension Plans, Defined Benefit [Member] | Fixed maturity securities [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Investment Policy Asset Allocation % Range Target |
|
15.00%
|
|
|
|
Minimum [Member] | Pension Plans, Defined Benefit [Member] | Benefit plan assets, Other [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Investment Policy Asset Allocation % Range Target |
|
1.00%
|
|
|
|
Maximum [Member] | Pension Plans, Defined Benefit [Member] | Equity Securities [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Investment Policy Asset Allocation % Range Target |
|
80.00%
|
|
|
|
Maximum [Member] | Pension Plans, Defined Benefit [Member] | Fixed maturity securities [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Investment Policy Asset Allocation % Range Target |
|
60.00%
|
|
|
|
Maximum [Member] | Pension Plans, Defined Benefit [Member] | Benefit plan assets, Other [Member] |
|
|
|
|
|
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
|
|
|
|
|
Investment Policy Asset Allocation % Range Target |
|
10.00%
|
|
|
|
Common Stock [Member] |
|
|
|
|
|
Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
|
stock acquired during period shares employee stock ownership plan | shares |
2,200,000
|
|
3,337,000
|
|
2,383,625
|
Restricted Stock [Member] |
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
|
Restricted common stock vesting period |
|
3 years
|
|
|
|
Range of Exercise Prices, $10.80 [Member] |
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
|
Options, outstanding at end of year | shares |
|
26,925
|
|
|
|
Exercisable at end of year | shares |
|
26,925
|
|
|
|
Options, outstanding, weighted average exercise price | $ / shares |
|
$ 10.80
|
|
|
|
Exercisable at end of year, Weighted Average Exercise Price | $ / shares |
|
$ 10.80
|
|
|
|
Options, Outstanding, Weighted Average Remaining Contractual Life |
|
3 months
|
|
|
|
Range of Exercise Prices, $12.57[Member] |
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
|
Options, outstanding at end of year | shares |
|
133,225
|
|
|
|
Exercisable at end of year | shares |
|
133,225
|
|
|
|
Options, outstanding, weighted average exercise price | $ / shares |
|
$ 12.57
|
|
|
|
Exercisable at end of year, Weighted Average Exercise Price | $ / shares |
|
$ 12.57
|
|
|
|
Options, Outstanding, Weighted Average Remaining Contractual Life |
|
1 year 3 months
|
|
|
|
Range of Exercise Prices, $16.06 [Member] |
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
|
Options, outstanding at end of year | shares |
|
256,700
|
|
|
|
Exercisable at end of year | shares |
|
256,700
|
|
|
|
Options, outstanding, weighted average exercise price | $ / shares |
|
$ 16.06
|
|
|
|
Exercisable at end of year, Weighted Average Exercise Price | $ / shares |
|
$ 16.06
|
|
|
|
Options, Outstanding, Weighted Average Remaining Contractual Life |
|
2 years 3 months
|
|
|
|
Range of Exercise Prices, $15.26 [Member] |
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
|
Options, outstanding at end of year | shares |
|
310,157
|
|
|
|
Exercisable at end of year | shares |
|
310,157
|
|
|
|
Options, outstanding, weighted average exercise price | $ / shares |
|
$ 15.26
|
|
|
|
Exercisable at end of year, Weighted Average Exercise Price | $ / shares |
|
$ 15.26
|
|
|
|
Options, Outstanding, Weighted Average Remaining Contractual Life |
|
3 years 3 months
|
|
|
|
Range of Exercise Prices, $18.14 [Member] |
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
|
Options, outstanding at end of year | shares |
|
498,291
|
|
|
|
Exercisable at end of year | shares |
|
498,291
|
|
|
|
Options, outstanding, weighted average exercise price | $ / shares |
|
$ 18.14
|
|
|
|
Exercisable at end of year, Weighted Average Exercise Price | $ / shares |
|
$ 18.14
|
|
|
|
Options, Outstanding, Weighted Average Remaining Contractual Life |
|
4 years 3 months
|
|
|
|
Range of Exercise Prices, $19.98 [Member] |
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
|
Options, outstanding at end of year | shares |
|
867,958
|
|
|
|
Exercisable at end of year | shares |
|
867,958
|
|
|
|
Options, outstanding, weighted average exercise price | $ / shares |
|
$ 19.98
|
|
|
|
Exercisable at end of year, Weighted Average Exercise Price | $ / shares |
|
$ 19.98
|
|
|
|
Options, Outstanding, Weighted Average Remaining Contractual Life |
|
5 years 3 months
|
|
|
|
Range of Exercise Prices, $20.98 [Member] |
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
|
Options, outstanding at end of year | shares |
|
1,133,162
|
|
|
|
Exercisable at end of year | shares |
|
830,420
|
|
|
|
Options, outstanding, weighted average exercise price | $ / shares |
|
$ 20.98
|
|
|
|
Exercisable at end of year, Weighted Average Exercise Price | $ / shares |
|
$ 20.98
|
|
|
|
Options, Outstanding, Weighted Average Remaining Contractual Life |
|
6 years 3 months
|
|
|
|
Range of Exercise Prices, $21.12 to $21.99 [Member] |
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
|
Options, outstanding at end of year | shares |
|
1,486,282
|
|
|
|
Exercisable at end of year | shares |
|
820,072
|
|
|
|
Options, outstanding, weighted average exercise price | $ / shares |
|
$ 21.14
|
|
|
|
Exercisable at end of year, Weighted Average Exercise Price | $ / shares |
|
$ 21.14
|
|
|
|
Options, Outstanding, Weighted Average Remaining Contractual Life |
|
7 years 3 months
|
|
|
|
Range of Exercise Prices, $16.17 to $22.72 [Member] |
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
|
Options, outstanding at end of year | shares |
|
1,587,670
|
|
|
|
Exercisable at end of year | shares |
|
487,334
|
|
|
|
Options, outstanding, weighted average exercise price | $ / shares |
|
$ 17.21
|
|
|
|
Exercisable at end of year, Weighted Average Exercise Price | $ / shares |
|
$ 17.44
|
|
|
|
Options, Outstanding, Weighted Average Remaining Contractual Life |
|
8 years 3 months
|
|
|
|
Range of Exercise Prices, $21.30 [Member] |
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
|
Options, outstanding at end of year | shares |
|
2,044,100
|
|
|
|
Exercisable at end of year | shares |
|
421,869
|
|
|
|
Options, outstanding, weighted average exercise price | $ / shares |
|
$ 21.30
|
|
|
|
Exercisable at end of year, Weighted Average Exercise Price | $ / shares |
|
$ 21.30
|
|
|
|
Options, Outstanding, Weighted Average Remaining Contractual Life |
|
9 years 3 months
|
|
|
|