SHAREHOLDERS’ EQUITY AND SHARE-BASED COMPENSATION Stock Repurchase Plan & Share-Based Compensation (Details) $ / shares in Units, $ in Thousands |
|
3 Months Ended |
6 Months Ended |
12 Months Ended |
|
May 18, 2016
$ / shares
shares
|
Jun. 30, 2016
USD ($)
$ / shares
shares
|
Jun. 30, 2015
USD ($)
$ / shares
shares
|
Jun. 30, 2016
USD ($)
installment
component
$ / shares
shares
|
Jun. 30, 2015
USD ($)
$ / shares
shares
|
Dec. 31, 2015
USD ($)
$ / shares
shares
|
| Share-Based Compensation |
|
|
|
|
|
|
| Share-based compensation expense (in dollars) | $ |
|
$ 1,700
|
$ 900
|
$ 3,600
|
$ 1,300
|
|
| Estimated unrecognized compensation costs (in dollars) | $ |
|
$ 9,000
|
|
$ 9,000
|
|
|
| Weighted average remaining requisite service period for stock options over which unrecognized compensation costs would be recognized |
|
|
|
2 years 6 months 29 days
|
|
|
| Stock options granted (in shares) |
|
|
|
|
710,410
|
|
| Weighted average exercise price of stock options granted (in usd per share) | $ / shares |
|
|
|
|
$ 23.17
|
|
| Weighted average fair value of stock options granted and total intrinsic value of stock options exercised |
|
|
|
|
|
|
| Weighted average grant date fair value of stock options granted per share | $ / shares |
|
|
|
$ 15.81
|
$ 12.49
|
|
| Intrinsic value of options exercised | $ |
|
|
|
$ 1,002
|
$ 176
|
|
| Grant date fair value of stock options that vested | $ |
|
|
|
$ 2,010
|
$ 530
|
|
| Minimum |
|
|
|
|
|
|
| Share-Based Compensation |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |
|
|
|
1 year
|
|
|
| Maximum |
|
|
|
|
|
|
| Share-Based Compensation |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |
|
|
|
4 years
|
|
|
| Employee and Non Employee Stock Option |
|
|
|
|
|
|
| Share-Based Compensation |
|
|
|
|
|
|
| Cumulative vesting percentage for awards that vest in equal annual installments |
|
|
|
75.00%
|
|
|
| Employee and Non Employee Stock Option | Service-Based |
|
|
|
|
|
|
| Share-Based Compensation |
|
|
|
|
|
|
| Outstanding (in shares) |
|
1,200,000
|
|
1,200,000
|
|
|
| Employee and Non Employee Stock Option | Service-Based | Minimum |
|
|
|
|
|
|
| Share-Based Compensation |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |
|
|
|
3 years
|
|
|
| Employee and Non Employee Stock Option | Service-Based | Maximum |
|
|
|
|
|
|
| Share-Based Compensation |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |
|
|
|
4 years
|
|
|
| Expiration term |
|
|
|
10 years
|
|
|
| Employee and Non Employee Stock Option | Market-Based |
|
|
|
|
|
|
| Share-Based Compensation |
|
|
|
|
|
|
| Outstanding (in shares) |
|
1,800,000
|
|
1,800,000
|
|
|
| Number of components of an award | component |
|
|
|
2
|
|
|
| Vesting percentage for awards that vest upon achievement of certain criteria |
|
|
|
25.00%
|
|
|
| Cumulative vesting percentage for awards that vest in equal annual installments |
|
|
|
75.00%
|
|
|
| Number of equal annual installments for vesting of award | installment |
|
|
|
3
|
|
|
| Employee and Non Employee Stock Option | Market-Based, ordinary performance | Minimum |
|
|
|
|
|
|
| Share-Based Compensation |
|
|
|
|
|
|
| Percentage of compounded annual gain of stock price over exercise price required for the award to vest |
|
|
|
20.00%
|
|
|
| Employee and Non Employee Stock Option | Market-Based, extraordinary performance | Minimum |
|
|
|
|
|
|
| Share-Based Compensation |
|
|
|
|
|
|
| Percentage of compounded annual gain of stock price over exercise price required for the award to vest |
|
|
|
25.00%
|
|
|
| Employee and Non Employee Stock Option | Performance-Based |
|
|
|
|
|
|
| Share-Based Compensation |
|
|
|
|
|
|
| Outstanding (in shares) |
|
100,000
|
|
100,000
|
|
|
| Vesting percentage for awards that vest upon achievement of certain criteria |
|
|
|
25.00%
|
|
|
| Employee and Non Employee Stock Option | Performance-Based | Minimum |
|
|
|
|
|
|
| Share-Based Compensation |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |
|
|
|
10 years
|
|
|
| Option |
|
|
|
|
|
|
| Share-Based Compensation |
|
|
|
|
|
|
| Outstanding (in shares) |
|
3,129,949
|
|
3,129,949
|
|
3,163,125
|
| Stock options granted (in shares) |
|
|
|
93,500
|
|
|
| Weighted average exercise price of stock options granted (in usd per share) | $ / shares |
|
|
|
$ 27.43
|
|
|
| Weighted average fair value of stock options granted and total intrinsic value of stock options exercised |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price | $ / shares |
|
$ 20.47
|
|
$ 20.47
|
|
$ 20.13
|
| Weighted average contractual term |
|
|
|
4 years 5 months 5 days
|
|
4 years 11 months 9 days
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value | $ |
|
$ 34,598
|
|
$ 34,598
|
|
$ 35,842
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period |
|
|
|
79,726
|
|
|
| Exercised (in usd per share) | $ / shares |
|
|
|
$ 12.36
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period |
|
|
|
46,950
|
|
|
| Forfeited (in usd per share) | $ / shares |
|
|
|
$ 25.32
|
|
|
| Exercisable at the end of the period (in shares) |
|
2,286,429
|
|
2,286,429
|
|
|
| Exercisable at the end of the period (in usd per share) | $ / shares |
|
$ 15.19
|
|
$ 15.19
|
|
|
| Exercisable at the end of the period |
|
|
|
2 years 10 months 2 days
|
|
|
| Exercisable at the end of the period (in dollars) | $ |
|
$ 32,079
|
|
$ 32,079
|
|
|
| Share Repurchase Program, Current |
|
|
|
|
|
|
| Stock Repurchase Plan |
|
|
|
|
|
|
| Number of shares of common stock authorized to be purchased (in shares) |
4,600,000.0
|
|
|
|
|
|
| Percentage of outstanding shares authorized to be repurchased |
25.00%
|
|
|
|
|
|
| Minimum purchase price authorized (in usd per share) | $ / shares |
$ 1.00
|
|
|
|
|
|
| Maximum purchase price authorized (in usd per share) | $ / shares |
$ 500.00
|
|
|
|
|
|
| Remaining number of shares available for repurchase under the plan (in shares) |
|
4,500,000
|
|
4,500,000
|
|
|
| Capacity available to repurchase common stock under senior secured term loan (in dollars) | $ |
|
$ 333,000
|
|
$ 333,000
|
|
|
| Share Repurchase Programs [Member] |
|
|
|
|
|
|
| Stock Repurchase Plan |
|
|
|
|
|
|
| Number of shares of common stock purchased (in shares) |
|
300,000
|
1,400,000
|
800,000
|
1,600,000
|
|
| Average purchase price per share (in usd per share) | $ / shares |
|
$ 26.74
|
$ 28.57
|
$ 25.79
|
$ 28.02
|
|