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Restructuring Charges (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Company's accrual for restructuring activities:-        
Beginning Restructuring Accrual Balance, as of December 31, 2018     $ 6,701  
Restructuring Charges $ 860 $ 2,891 2,765 $ 4,414
Restructuring Cash Payments     (4,627)  
Impact of foreign currency on restructuring reserve     (10)  
Ending Restructuring Accrual Balance, as of September 30, 2019 $ 4,829   $ 4,829