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Stock-Based Compensation (Details 2) - Jun. 30, 2015 - Stock Options - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
Total
Stock Options  
Options outstanding at the beginning of the period (in shares) 1,495
Exercised (in shares) (80)
Cancelled (in shares) (276)
Options outstanding at the end of the period (in shares) 1,139
Options exercisable at the end of the period (in shares) 1,018
Weighted Average Exercise Price Per Share  
Options outstanding at the beginning of the period (in dollars per share) $ 33.39
Exercised (in dollars per share) 12.56
Cancelled (in dollars per share) 61.82
Options outstanding at end of period, (in dollars per share) 27.96
Options exercisable at the end of period (in dollars per share) $ 27.17
Weighted Average Remaining Life  
Outstanding at the end of the period 2 years 9 months 18 days
Exercisable at the end of the period 2 years 6 months
Aggregate Intrinsic Value  
Outstanding at the end of the period (in dollars) $ 11,450
Exercisable at the end of the period (in dollars) 11,066
Total intrinsic value of stock options exercised (in dollars) 1,400
Unrecognized compensation  
Expected unrecognized compensation cost related to unvested stock options (in dollars) $ 1,200
Weighted-average period over which the expected unrecognized compensation cost related to unvested stock options will be recognized 1 year 4 months 24 days
First anniversary vesting  
Stock-based compensation  
Vesting percentage 33.33%
Vesting period 1 year
Second anniversary vesting  
Stock-based compensation  
Vesting percentage 33.33%
Vesting period 2 years
Third anniversary vesting  
Stock-based compensation  
Vesting percentage 33.33%
Vesting period 3 years
Maximum  
Stock-based compensation  
Expiration period 7 years