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RESTRUCTURING - Restructuring Reserve (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Restructuring Reserve [Roll Forward]        
Balance at beginning of period $ 687   $ 0  
Accrual:        
Continuing Operations 0 $ 0 5,369 $ 0
Discontinued Operations 279   3,794  
Total 279   9,163  
Payments (681)   (8,878)  
Balance at end of period 285   285  
Severance and other employee related costs        
Accrual:        
Continuing Operations 0   5,369  
Discontinued Operations 279   2,899  
Total 279   8,268  
Payments (681)   (7,983)  
Other restructuring expense        
Accrual:        
Continuing Operations 0   0  
Discontinued Operations 0   895  
Total 0   895  
Payments $ 0   $ (895)