XML 15 R42.htm IDEA: XBRL DOCUMENT v3.2.0.727
Stock-Based Incentive Plans (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Apr. 21, 2015
shares
Apr. 20, 2015
$ / shares
Feb. 02, 2015
$ / shares
shares
Mar. 31, 2015
$ / shares
shares
Jun. 30, 2015
USD ($)
plan
$ / shares
shares
Jun. 30, 2014
USD ($)
Dec. 31, 2014
$ / shares
shares
Stock-Based Compensation              
Number of stock-based incentive plans | plan         1    
Number of stock option plans superseded | plan         2    
Aggregate Intrinsic Value              
Granted (in shares)         0   0
Stock options outstanding and expected to vest         0    
Total intrinsic value of options exercised (in dollars) | $         $ 1,200 $ 500  
Unrecognized compensation cost and vesting period              
Unrecognized compensation costs related to unvested share-based compensation arrangements | $         $ 20,200    
Weighted-average period for recognition of unrecognized stock-based compensation expense         2 years 1 month 13 days    
Restricted Stock Units              
Stock-Based Compensation              
Weighted average granted date fair value (in dollars per share) | $ / shares   $ 36.33 $ 32.64        
Restriction Percentage on RSUs   100.00%          
Restricted stock unit activity              
Outstanding at the beginning of the period (in shares)       504,000 504,000    
Awarded (in shares)     330,497   351,000    
Vested (in shares)         (315,000)    
Forfeited (in shares)         (3,000)    
Outstanding at the end of the period (in shares)         537,000   504,000
Outstanding and expected to vest at end of the period (in shares)         525,000    
Weighted-Average Exercise Price              
Weighted-average exercise price at beginning of the period (in dollars per share) | $ / shares       $ 31.67 $ 31.67    
Weighted-average exercise price at end of the period (in dollars per share) | $ / shares         31.56   $ 31.67
Outstanding and expected to vest at the end of the period (in dollars per share) | $ / shares         $ 31.56    
Aggregate Intrinsic Value              
Outstanding at the end of the period (in dollars) | $         $ 18,252    
Outstanding and expected to vest at end of the period (in dollars) | $         $ 17,840    
Aggregate Intrinsic Value              
Closing price per share (in dollars per share) | $ / shares         $ 34    
Total intrinsic value of awards vested (in dollars) | $         $ 10,100 $ 8,000  
Non-Qualified Stock Options              
Non-Qualified Stock Options activity              
Exercisable at the start of the period (in shares)       855,000 855,000    
Exercised (in shares)         (189,000)    
Forfeited (in shares)         (2,000)    
Exercisable at the end of the period (in shares)         664,000   855,000
Weighted-Average Exercise Price              
Weighted-average exercise price at beginning of the period (in dollars per share) | $ / shares       $ 29.48 $ 29.48    
Weighted-average exercise price at end of the period (in dollars per share) | $ / shares         $ 29.50   $ 29.48
Weighted-average remaining contractual life         2 years 7 months 6 days    
Aggregate Intrinsic Value              
Outstanding at the end of the period (in dollars) | $         $ 2,987    
Unvested Stock Options              
Number of Shares, Unvested Stock Options              
Vested (in shares)       (99,000)      
Unvested at the end of the period (in shares)         0    
Weighted-Average Grant-Date Fair Value, Unvested Stock Options              
Vested (in dollars per share) | $ / shares       $ 10.33      
Non Employee Directors | Restricted Stock Units              
Restricted stock unit activity              
Awarded (in shares) 1,950   8,550