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Schedule of Other Current Assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2017 | Mar. 31, 2017
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Other Current Assets, Properties and Equipment, Other Assets Accrued Expenses Other Current Liabilities and other Non current liabilities and Deferred Credits [Abstract] |  |
Deposits | $ 1,780 |
Reorganization related retainer payments | 50 |
Investments held in rabbi trust | 8,908 |
Prepaid expenses | 8,392 |
Total other current assets | $ 19,130 |
Predecessor |  |
Other Current Assets, Properties and Equipment, Other Assets Accrued Expenses Other Current Liabilities and other Non current liabilities and Deferred Credits [Abstract] |  |
Deposits |  | $ 3,057
Reorganization related retainer payments |  | 3,938
Investments held in rabbi trust |  | 8,759
Prepaid expenses |  | 11,414
Total other current assets |  | $ 18,409

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