Debt - Additional Information (Detail)				1 Months Ended	3 Months Ended		12 Months Ended
	Nov. 25, 2020 USD ($)	Oct. 29, 2020 USD ($)	Apr. 15, 2020 USD ($)	Mar. 31, 2021 USD ($) shares	Jun. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2020 USD ($) $ / shares	Dec. 31, 2019 USD ($) shares	Dec. 31, 2018 USD ($)	Dec. 31, 2016 USD ($) equity_instrument $ / shares shares	Aug. 06, 2019 USD ($)
Debt Instrument [Line Items]
Loss on debt extinguishment					$ 28,500,000	$ 20,100,000	$ 28,500,000	$ 20,100,000	$ 0
Proceeds from capped call transactions							0	7,200,000	$ 0
Installment Payment Agreement
Debt Instrument [Line Items]
Aggregate principal amount								$ 27,700,000
Interest rate								7.00%
Amount reported in current maturities of long-term debt							6,500,000
Software Licenses Financing Agreement
Debt Instrument [Line Items]
Aggregate principal amount								$ 19,300,000
Interest rate								5.47%
Amount reported in current maturities of long-term debt							3,600,000
Amended and Restated ABL Credit Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity							145,000,000.0
Accordion feature increase limit							175,000,000.0
Borrowings outstanding							0
Availability under the facility, net of letters of credit issued							$ 112,900,000
Springing maturity, period prior to any date on which domestic pension contributions in an amount in excess of threshold are required to be paid							91 days
Springing maturity, date on which pension contributions to pension funds in the United States are required to be paid, threshold excess amount							$ 100,000,000.0
Springing maturity, conditions, minimum liquidity							130,000,000.0
Amended and Restated ABL Credit Facility | Letters of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity							40,000,000.0
Letters of credit outstanding							5,700,000
Senior Notes | 2027 Notes
Debt Instrument [Line Items]
Aggregate principal amount		$ 485,000,000.0					$ 485,000,000.0
Interest rate		6.875%					6.875%
Aggregate principal amount of convertible debt outstanding							$ 476,900,000	$ 0
Senior Notes | 2027 Notes | Prior to November 1, 2023
Debt Instrument [Line Items]
Redemption price, percent of principal amount of notes redeemed		100.00%
Percent of notes with option to redeem		40.00%
Redemption price, percentage of principal amount		106.875%
Senior Notes | 2027 Notes | Change of Control
Debt Instrument [Line Items]
Redemption price, percentage of principal amount		101.00%
Senior Notes | 2022 Notes
Debt Instrument [Line Items]
Aggregate principal amount								$ 440,000,000.0
Interest rate			10.75%				10.75%	10.75%
Redemption price, percent of principal amount of notes redeemed			105.375%
Principal amount redeemed			$ 440,000,000.0
Redemption price paid			487,300,000
Call premium			23,650,000
Accrued interest			23,650,000
Loss on debt extinguishment			28,500,000
Premium			23,650,000
Write off of unamortized discount and fees related to issuance of the Notes			$ 4,800,000
Aggregate principal amount of convertible debt outstanding							$ 0	$ 434,500,000
Senior Notes | 2021 Notes
Debt Instrument [Line Items]
Aggregate principal amount							$ 84,200,000	$ 84,200,000		$ 213,500,000
Interest rate							5.50%			5.50%
Effective interest rate										9.50%
Conversion rate (in shares) | shares										0.1024249
Total amount of conversion (in shares) | equity_instrument										21,867,716
Conversion price (in dollars per share) | $ / shares							$ 12.75			$ 9.76
Cash settlement amount per $1,000 principal amount	$ 1,000
Aggregate shares of common stock issued from conversion of convertible securities (in shares) | shares								10,593,930
Payments for capped call transactions										$ 27,300,000
Conversion premium							60.00%			22.50%
Cash paid in exchange for outstanding debt								$ 59,400,000
Accrued and unpaid interest								3,100,000
Aggregate principal amount of outstanding convertible debt included in debt conversion								129,300,000
Aggregate principal amount of convertible debt outstanding							$ 83,600,000	80,000,000.0			$ 84,200,000
Proceeds from capped call transactions								$ 7,200,000
Number of shares of common stock covered by remaining capped call transactions (in shares) | shares								8,600,000
Charge recognized as a result of exchange								$ 20,100,000
Senior Notes | 2021 Notes | Forecast
Debt Instrument [Line Items]
Cash payment to note holders for debt conversion				$ 84,200,000
Aggregate shares of common stock issued from conversion of convertible securities (in shares) | shares				4,600,000
Amount of conversion, shares received upon exercise of capped call transactions (in shares) | shares				1,200,000
Amount of conversion, increase in outstanding common stock (in shares) | shares				3,400,000
Line of Credit | Amended and Restated ABL Credit Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Requirement to maintain fixed charge coverage ratio, availability threshold, percent of lender commitments under facility							10.00%
Requirement to maintain fixed charge coverage ratio, availability threshold							$ 14,500,000
Amount of aggregate default under other debt that would trigger event of default							$ 50,000,000.0