XML 20 R48.htm IDEA: XBRL DOCUMENT v3.19.3
Schedule of Accrued Expenses (Detail) - USD ($)
$ in Thousands
Sep. 30, 2019
Mar. 31, 2019
Accounts Payable And Accrued Liabilities Current [Abstract]    
Payroll and Incentive Compensation $ 21,038 $ 26,225
Benefits 14,253 12,673
Interest 3,852 3,852
Property Taxes 8,240 5,058
Power and Fuel 1,502 1,644
Litigation Settlements   1,900
Sales and Use Tax 2,033 2,167
Legal and Professional 6,522  
Other 8,933 8,430
Accrued Expenses, Total $ 66,373 $ 61,949