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Summary of Stock Option Plans (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
6 Months Ended 12 Months Ended 0 Months Ended
Dec. 31, 2013
Employee Stock [Member]
Dec. 31, 2012
Employee Stock [Member]
Dec. 31, 2013
Stock Options
Jun. 30, 2013
Stock Options
Nov. 07, 2013
2005 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized         0
Number of Shares          
Outstanding at beginning of period     2,070    
Granted 0 0 0    
Exercised     (22)    
Cancelled     (397)    
Outstanding at end of period     1,651 2,070  
Weighted Average Exercise Price          
Outstanding at beginning of period     $ 13.44    
Granted     $ 0.00    
Exercised     $ 6.48    
Cancelled     $ 17.51    
Outstanding at end of period     $ 12.55 $ 13.44  
Weighted Average Remaining Contractual Term (Years)          
Outstanding at end of period     2 years 7 months 2 days 2 years 7 months 6 days