Schedule of Other Current Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Mar. 31, 2017
Other Current Assets, Properties and Equipment, Other Assets Accrued Expenses Other Current Liabilities and other Non current liabilities and Deferred Credits [Abstract]
Deposits	$ 2,184	$ 3,057
Reorganization related retainer payments	16,251	3,938
Prepaid expenses	16,184	11,414
Total other current assets	$ 34,619	$ 18,409