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Restructuring - Utilization of Restructuring Accruals (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Sep. 30, 2015
Sep. 30, 2014
Restructuring Reserve [Roll Forward]        
Remaining accrual as of December 31, 2014     $ 1,690  
Expense provision     8,775  
Cash payments and other     (7,375)  
Change in estimates     (12)  
Remaining accrual as of September 30, 2015 $ 3,078 $ 1,690 3,078  
Equity based compensation     3,100  
Impairment expense   800 2,515 $ 276
ADA Analytics Israel, LLC        
Restructuring Reserve [Roll Forward]        
Impairment expense 1,900      
Employee Severance        
Restructuring Reserve [Roll Forward]        
Remaining accrual as of December 31, 2014     1,690  
Expense provision     6,902  
Cash payments and other     (5,502)  
Change in estimates     (12)  
Remaining accrual as of September 30, 2015 3,078 1,690 3,078  
Business Operations Closure        
Restructuring Reserve [Roll Forward]        
Remaining accrual as of December 31, 2014     0  
Expense provision     1,873  
Cash payments and other     (1,873)  
Change in estimates     0  
Remaining accrual as of September 30, 2015 $ 0 $ 0 $ 0