Equity (Deficit)- Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions				3 Months Ended	7 Months Ended
	Mar. 30, 2020	Mar. 03, 2020	May 04, 2017	Mar. 31, 2019	Feb. 28, 2020	Mar. 31, 2020	Dec. 31, 2019	Aug. 06, 2019	Dec. 21, 2018
Equity And Distributions [Line Items]
Common stock, shares authorized						250,000,000	250,000,000
Common stock, par value						$ 0.01	$ 0.01
Warrants outstanding						9,153,522	9,153,522
Warrant expiry date								Apr. 21, 2020
Stock repurchase authorized amount								$ 25.0
Shares repurchased during period					4,200,000
Total cost of share repurchase					$ 24.9
Average price per share repurchased					$ 5.94
Dividend declared date		Mar. 03, 2020
Dividends declared per share		$ 0.10
Dividends paid	$ 3.8
Dividend payable record date		Mar. 16, 2020
Warrants [Member]
Equity And Distributions [Line Items]
Warrant issued during period			2,173,913
Warrant life period			5 years
Percentage of common shares to be issued upon exercise of warrants			8.00%
Warrant exercise price			$ 42.60
Third Lien Notes Warrants [Member]
Equity And Distributions [Line Items]
Warrant exercise price								$ 22.78
Warrants outstanding								4,647,520
Unsecured Creditor Warrants [Member]
Equity And Distributions [Line Items]
Warrant exercise price								$ 43.67
Warrants outstanding								2,332,089
Common Stock [Member]
Equity And Distributions [Line Items]
Stock repurchase authorized amount									$ 25.0
Shares repurchased during period				122,581
Average common stock price				$ 7.82
Total cost of share repurchase				$ 0.9