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Performance based restricted stock awards granted in percent.

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Share based compensation arrangement by share based payment award equity instruments other than options percentage of performance based units awarded performance metric maximum threshold met.

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Share based compensation arrangement by share based payment award equity instruments other than options percentage of performance based units awarded performance metric target met minimum.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of shares authorized for issuance under share-based payment arrangement.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Number of share options (or share units) exercised during the current period.

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Value of stock issued as a result of the exercise of stock options.

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Stock-based Compensation and Outstanding Awards - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Company common stock were authorized for grant	16,000,000
Stock-based compensation expense	$ 8,000,000	$ 6,000,000	$ 13,000,000
Tax effected benefit for share-based compensation arrangements	$ 2,000,000	$ 1,000,000	$ 3,000,000
Share-based compensation arrangement by share-based payment award, options, contractual term	3 years 4 months 24 days
Weighted-average grant-date fair value of options granted	$ 5.03	$ 3.59	$ 6.02
Exercise of stock options	$ 3,000,000		$ 2,000,000
Number of stock options exercised	314,000
Vest-date fair value vested during period			2,000,000
Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Aggregate intrinsic value, Exercised or settled	$ 1,000,000	$ 1,000,000	$ 1,000,000
Maximum [Member] \| Management Employees [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock based awards, vested, number of years	1 year
Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock based awards, vested, number of years	3 years
Unrecognized compensation costs	$ 4,000,000
Exercise of stock options	$ 3,000,000
Expected to be recognized over a weighted average period	1 year 8 months 12 days
Stock Options [Member] \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, options, contractual term	10 years
Stock Options [Member] \| Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, options, contractual term	7 years
Restricted Stock [Member] \| Cliff Vests After Year One [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock based awards, vested, number of years	1 year
Restricted Stock [Member] \| Cliff Vests After Year Three [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock based awards, vested, number of years	3 years
Restricted Stock and Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation costs	$ 4,000,000
Expected to be recognized over a weighted average period	1 year 4 months 24 days
Weighted average grant date fair value, Granted	$ 10.31	$ 8.78	$ 13.42
Fair value of shares vested	$ 3,000,000	$ 4,000,000	$ 12,000,000
Performance Shares [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average grant date fair value, Granted	$ 13.08
Performance-base restricted stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock based awards, vested, number of years	3 years
Unrecognized compensation costs	$ 4,000,000
Expected to be recognized over a weighted average period	1 year 8 months 12 days
Weighted average grant date fair value, Granted	$ 13.08	$ 12.12	$ 17.69
Performance-based awards granted, percentage, minimum threshold met	0.00%
Performance-based awards granted, percentage, maximum threshold met	200.00%
Vest-date fair value vested during period	$ 1,000,000
Performance-base restricted stock [Member] \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vest-date fair value vested during period		$ 1,000,000
TSR metric [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance based restricted stock awards granted in percent	50.00%
Performance based restricted stock awards goals over performance period	3 years
EBITDA metric [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance based restricted stock awards granted in percent	25.00%
Performance based restricted stock awards goals over performance period	3 years
Return on Capital Employed (ROCE) metric [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance based restricted stock awards granted in percent	25.00%
Performance based restricted stock awards goals over performance period	3 years