XML 78 R68.htm IDEA: XBRL DOCUMENT v3.5.0.2
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