Supplemental Financial Information - Noncash Operating, Investing and Financing Activities (Detail) - USD ($) $ in Thousands	4 Months Ended	5 Months Ended	9 Months Ended
	Apr. 23, 2021	Sep. 30, 2021	Sep. 30, 2020
Condensed Financial Statements, Captions [Line Items]
Accrued but unpaid capital expenditures at period end	$ 18,617	$ 3,096	$ 5,242
Accrued but unpaid debt issuance costs and arrangement fees	7,588
Common stock withheld for payroll tax obligations			395
Cash interest payments	37,593	5,431	19,843
Cash paid for reorganization items, net	37,566	35,398	23,818
Foreign [Member]
Cash income taxes paid, net of (refunds):
Cash income taxes paid, net of refunds	3,460	1,464	11,229
State [Member]
Cash income taxes paid, net of (refunds):
Cash income taxes paid, net of refunds	$ (34)		36
U.S. Federal [Member]
Cash income taxes paid, net of (refunds):
Cash income taxes paid, net of refunds		$ 468	$ (42,462)