Stock-based Compensation (Tables)
|
12 Months Ended |
Dec. 31, 2016 |
| Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
|
| Summary of Terms of Restricted Shares |
The following table summarizes the terms of the Restricted Shares:
|
Vesting Terms |
|
Number of
Shares |
|
|
Grant-date
Fair Value |
|
|
|
|
(In thousands) |
|
|
|
|
|
|
1/3rd per year on grant-date anniversary |
|
|
433 |
|
|
$ |
15.81 |
|
|
1/3rd per year on grant-date anniversary |
|
|
22 |
|
|
|
15.95 |
|
|
1/3rd per year on grant-date anniversary |
|
|
445 |
|
|
|
15.08 |
|
|
1/3rd per year on grant-date anniversary |
|
|
465 |
|
|
|
20.02 |
|
|
1/3rd per year on grant-date anniversary |
|
|
305 |
|
|
|
18.90 |
|
|
1/4th on the 1st grant-date anniversary and 3/4th on the 2nd
grant-date anniversary |
|
|
567 |
|
|
|
15.00 |
|
|
1/3rd per year on grant-date anniversary |
|
|
280 |
|
|
|
15.00 |
|
|
|
|
|
2,517 |
|
|
|
|
|
|
| Summary of Changes in Number of Restricted Shares Outstanding |
Changes in the number of Restricted Shares outstanding for the years ended December 31, 2016 and 2015 were as follows:
|
|
|
Number of
Shares |
|
|
Weighted Average Grant-date
Fair Value |
|
|
Fair Value of Shares Vested |
|
|
|
|
(In thousands) |
|
|
|
|
|
|
(In millions) |
|
|
Balance, December 31, 2014 |
|
|
847 |
|
|
$ |
15.00 |
|
|
|
|
|
|
Granted |
|
|
770 |
|
|
|
19.58 |
|
|
|
|
|
|
Vested |
|
|
(424 |
) |
|
|
16.20 |
|
|
$ |
7.8 |
|
|
Forfeited |
|
|
(28 |
) |
|
|
16.30 |
|
|
|
|
|
|
Balance, December 31, 2015 |
|
|
1,165 |
|
|
|
17.47 |
|
|
|
|
|
|
Granted |
|
|
900 |
|
|
|
15.45 |
|
|
|
|
|
|
Vested |
|
|
(571 |
) |
|
|
16.65 |
|
|
$ |
10.9 |
|
|
Forfeited |
|
|
(24 |
) |
|
|
16.42 |
|
|
|
|
|
|
Balance, December 31, 2016 |
|
|
1,470 |
|
|
$ |
16.56 |
|
|
|
|
|
|
| Summary of Terms of Stock Options |
The Company has granted options to certain employees to purchase shares of its common stock with the following terms:
|
Vesting Terms |
|
Number of
Options |
|
|
Weighted Average Exercise
Price |
|
|
Contractual
Terms |
|
|
|
|
(In thousands) |
|
|
|
|
|
|
(In years) |
|
|
1/3rd per year on grant-date anniversary |
|
|
389 |
|
|
$ |
15.81 |
|
|
|
10 |
|
|
1/3rd per year on grant-date anniversary |
|
|
352 |
|
|
$ |
15.08 |
|
|
|
10 |
|
|
1/3rd per year on grant-date anniversary |
|
|
438 |
|
|
$ |
18.90 |
|
|
|
10 |
|
|
100% upon grant |
|
|
635 |
|
|
|
20.00 |
|
|
|
10 |
|
|
1/3rd per year on grant-date anniversary |
|
|
560 |
|
|
|
20.00 |
|
|
|
10 |
|
|
1/5th upon grant and 1/5th on December 6th of following 4
years |
|
|
357 |
|
|
|
20.00 |
|
|
|
10 |
|
|
1/5th per year on the anniversary of the original grant date |
|
|
4,405 |
|
|
|
6.32 |
|
|
|
10 |
|
|
100% on the seventh anniversary of the original grant date |
|
|
485 |
|
|
|
18.66 |
|
|
|
10 |
|
|
|
|
|
7,621 |
|
|
|
|
|
|
|
|
|
|
| Summary of Black-Scholes Valuation Assumptions for Stock Options |
The grant-date fair values of the options were determined using a Black-Scholes valuation model based on the following weighted average assumptions:
|
|
|
Original Grant Year |
|
|
|
|
2016 |
|
|
2015 |
|
|
2014 |
|
|
Grant-date fair value (per share) |
|
$ |
5.59 |
|
|
|
9.03 |
|
|
|
12.66 |
|
|
Exercise price |
|
$ |
15.46 |
|
|
|
18.90 |
|
|
|
18.66 |
|
|
Expected term |
|
6 years |
|
|
6 years |
|
|
7 years |
|
|
Risk-free rate |
|
|
1.4 |
% |
|
|
1.8 |
% |
|
|
2.0 |
% |
|
Expected volatility |
|
|
47.0 |
% |
|
|
60.0 |
% |
|
|
65.0 |
% |
|
Expected dividend yield |
|
|
2.3 |
% |
|
|
1.9 |
% |
|
|
0.0 |
% |
|
| Summary of Changes in Stock Options Outstanding |
Changes in the number of Options outstanding for the years ended December 31, 2016 and 2015 were as follows:
|
|
|
Number of
Options |
|
|
Weighted Average
Exercise Price |
|
|
Weighted Average
Remaining
Contractual Term |
|
|
Aggregate
Intrinsic
Value |
|
|
|
|
(In thousands) |
|
|
|
|
|
|
(In years) |
|
|
(In millions) |
|
|
Balance, December 31, 2014 |
|
|
6,442 |
|
|
$ |
10.54 |
|
|
|
8.5 |
|
|
$ |
49.2 |
|
|
Options exercisable, December 31, 2014 |
|
|
1,938 |
|
|
$ |
10.60 |
|
|
|
8.2 |
|
|
$ |
15.2 |
|
|
Granted |
|
|
438 |
|
|
|
18.90 |
|
|
|
|
|
|
|
|
|
|
Exercised |
|
|
(566 |
) |
|
|
5.50 |
|
|
|
|
|
|
|
8.6 |
|
|
Forfeited |
|
|
(45 |
) |
|
|
10.12 |
|
|
|
|
|
|
|
|
|
|
Balance, December 31, 2015 |
|
|
6,269 |
|
|
$ |
11.58 |
|
|
|
7.6 |
|
|
$ |
45.5 |
|
|
Options exercisable, December 31, 2015 |
|
|
3,400 |
|
|
$ |
10.82 |
|
|
|
7.4 |
|
|
$ |
27.6 |
|
|
Granted |
|
|
741 |
|
|
|
15.46 |
|
|
|
|
|
|
|
|
|
|
Exercised |
|
|
(1,333 |
) |
|
|
6.97 |
|
|
|
|
|
|
|
14.3 |
|
|
Forfeited |
|
|
(87 |
) |
|
|
14.58 |
|
|
|
|
|
|
|
|
|
|
Balance, December 31, 2016 |
|
|
5,590 |
|
|
$ |
13.15 |
|
|
|
6.9 |
|
|
$ |
54.8 |
|
|
Options exercisable, December 31, 2016 |
|
|
2,998 |
|
|
$ |
12.46 |
|
|
|
6.2 |
|
|
$ |
31.5 |
|
|
| Summary of Proceeds and Tax Benefit Realized from Exercise of Stock Options |
Proceeds and tax benefit realized from the exercise of stock options during the years ended December 31, 2016, 2015 and 2014 were as follows:
|
|
|
2016 |
|
|
2015 |
|
|
2014 |
|
|
|
|
(In millions) |
|
|
Proceeds from the exercise of stock options - gross |
|
$ |
9.3 |
|
|
|
3.0 |
|
|
|
— |
|
|
Tax benefit |
|
|
4.6 |
|
|
|
2.7 |
|
|
|
— |
|
|
| Summary of Stock-Based Compensation Expense |
Stock-based Compensation Expense
|
|
|
2016 |
|
|
2015 |
|
|
2014 |
|
|
|
|
(In millions) |
|
|
Restricted shares |
|
$ |
10.2 |
|
|
|
11.9 |
|
|
|
0.3 |
|
|
Options |
|
|
7.3 |
|
|
|
15.8 |
|
|
|
17.0 |
|
|
Total |
|
$ |
17.5 |
|
|
|
27.7 |
|
|
|
17.3 |
|
|
Tax benefit |
|
$ |
6.5 |
|
|
|
10.3 |
|
|
|
5.4 |
|
|