Schedule of Tax Rate Applicable to Pre-Tax Earning, U.S. Federal Statutory Rate (Detail) - USD ($) $ in Thousands	4 Months Ended	5 Months Ended	12 Months Ended
	Jul. 31, 2017	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Computed “expected” tax benefit	$ (576,850)	$ (12,840)	$ (23,834)	$ (32,239)
Foreign income taxed at different rates	448,805	1,767	9,283	20,917
Uncertain tax positions	4,674	(3,219)	5,145	2,264
Chapter 11 reorganization	50,428
Nondeductible transaction costs	2,628			1,091
Transition tax		15,120
Valuation allowance – deferred tax assets	69,278	(28,387)	15,707	38,778	$ 27,300
Amortization of deferrals associated with intercompany sales to foreign tax jurisdictions	(822)	11
Foreign taxes	(1,342)	845	20,778	13,012
State taxes	3			246
Return to accrual	668	835	(2,247)	(28,176)
162(m) - Executive compensation			28	2,818
Subpart F income			1,227
Other, net	1,296	646	1,637	(459)
Remeasurement of deferred taxes		27,261
Income tax expense (benefit), Total	$ (1,234)	$ 2,039	$ 27,724	$ 18,252