XML 59 R41.htm IDEA: XBRL DOCUMENT v3.10.0.1
Schedule of Accrued Expenses (Detail) - USD ($)
$ in Thousands
Jun. 30, 2018
Mar. 31, 2018
Accounts Payable And Accrued Liabilities Current [Abstract]    
Payroll and Incentive Compensation $ 16,276 $ 25,290
Benefits 12,221 13,785
Interest 7,198 3,852
Property Taxes 6,415 5,422
Power and Fuel 1,804 1,545
Litigation Settlements 40,525 45,098
Legal 872 1,435
Sales and Use Tax 1,023 890
Other 9,576 8,553
Accrued Expenses, Total $ 95,910 $ 105,870