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Schedule of Other Current Assets (Detail) - USD ($) $ in Thousands		Dec. 31, 2017	Mar. 31, 2017
Other Current Assets, 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	[1]	8,908
Prepaid expenses		8,392
Total other current assets		$ 19,130
Predecessor
Other Current Assets, 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
[1] The company plans to liquidate the rabbi trust (valued at $8.9 million as of December 31, 2017) in advance of paying a lump sum benefit to the former CEO in April 2018 of $9.6 million.

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