XML 54 R41.htm IDEA: XBRL DOCUMENT v3.10.0.1
BALANCE SHEET ITEMS - Future Amortization (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Mar. 31, 2018
Estimated future annual amortization expense for acquired intangible assets    
2019 $ 17,436  
2020 65,155  
2021 60,826  
2022 52,290  
2023 44,553  
Thereafter 109,385  
Net Carrying Amount $ 349,645 $ 424,433