Fresh Start Accounting (Cumulative Impact of Reorganization Adjustments) (Detail) - USD ($) $ in Thousands	Jun. 04, 2018	Jun. 03, 2018
Reorganizations [Abstract]
Total liabilities subject to compromise	$ 2,647,110	$ 2,647,110
Cash payments at the Effective Date	(33,657)
Accounts payable	(3,215)
Other liabilities	(21,160)
Deferred tax liability	(50,437)	$ (237,247)
Total liabilities reinstated at the Effective Date	(74,812)
Adjustment for deferred tax liability impact	(186,810)
Fair value of common stock issued to Predecessor Term Loan holders, 7.75% Senior Notes holders and unsecured creditors	(264,394)
Fair value of warrants issued to Predecessor Term Loan holders, 7.75% Senior Notes holders and unsecured creditors	(60,606)
Fair value of Term Loan provided by Predecessor Term Loan holders	(1,300,000)
Gain on settlement of Liabilities subject to compromise	$ 726,831