Annual report pursuant to Section 13 and 15(d)

Organization and Significant Accounting Policies Organization and Significant Accounting Policies - Contract Assets (Details)

v3.19.1
Organization and Significant Accounting Policies Organization and Significant Accounting Policies - Contract Assets (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Accounting Policies [Abstract]      
Capitalized Contract Cost, Gross $ 1.6 $ 2.2  
Capitalized Contract Cost, Amortization $ 0.8 $ 0.9 $ 0.8