Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.8.0.1
Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Mar. 31, 2017
Income Tax Disclosure [Abstract]        
Net impact on U.S. deferred tax assets and liabilities (provisional) $ 6,030   $ 6,030  
Effective tax rate before discrete events 25.40% 24.70%    
Unrecognized Tax Benefits, Period Increase (Decrease)     $ 554 $ 176