Quarterly report pursuant to Section 13 or 15(d)

Revenue from Contracts with Customers Revenue from Contracts with Customers - Contract Assets and Contract Liabilities (Details)

v3.10.0.1
Revenue from Contracts with Customers Revenue from Contracts with Customers - Contract Assets and Contract Liabilities (Details)
$ in Thousands
9 Months Ended
Dec. 31, 2018
USD ($)
Increase (Decrease) In Contract With Customer, Asset [Roll Forward]  
Additions $ 72,743
Billed amounts transferred to accounts receivable (62,540)
Total activity 10,203
Increase (Decrease) In Contract With Customer, Liability [Roll Forward]  
Balance as of April 1, 2018 (8,143)
Additions (25,259)
Transfer to revenues as earned 22,018
Total activity (3,241)
Balance as of December 31, 2018 $ (11,384)