Aggregate current value of non-vested cash-settled awards.

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- Definition

Fair value of awards granted to retirement eligible employees and expensed at date of grant.

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No definition available.

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- Definition

Fair value of vested cash-settled awards.

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No definition available.

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- Definition

Minimum increases in stock price.

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- Definition

Minimum percent annualized return on assets vesting for stock unit awards.

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- Definition

Number of shares to be issued at stock price decrease by fifty percent.

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No definition available.

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- Definition

Number of shares to be issued at stock price decrease by more than fifty percent.

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- Definition

Number of share to be issued at stock price increase.

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No definition available.

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- Definition

Payroll taxes on restricted stock and stock options

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- Definition

Percentage of decrease in stock price.

+ References

No definition available.

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- Definition

Period after market leverage stock unit vest.

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- Definition

Share based compensation arrangement by share based payment award exercisable period.

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No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Award Performance Period

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Exercised Price

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No definition available.

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- Definition

Share based compensation arrangement by share based payment awards award vesting period.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment awards award vesting period maximum.

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- Definition

Share based compensation arrangement by share based payment awards award vesting period minimum.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Target Number Of Shares To Be Issued

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- Definition

Share based compensation arrangement by share based payment terms of rights.

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No definition available.

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- Definition

Stock price of non-vested cash-settled awards.

+ References

No definition available.

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- Definition

Vesting of restricted stock awards and exercises of stock options, shares withheld.

+ References

No definition available.

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- Definition

Aggregate cash paid by the entity during the period to settle equity instruments granted under equity-based payment arrangements.

+ References

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- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The number of grants made 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).

+ References

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(b)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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- Definition

The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding.

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- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(b)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

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.

+ References

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Share Based Compensation - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair Value of Awards Granted to Retirement Eligible Employees and Expensed at Date of Grant	$ 595,000	$ 654,000	$ 286,000
Unrecognized share-based compensation expense related to non-vested equity-settled awards, restricted stock and stock options	8,579,000
Vesting of restricted stock awards and exercises of stock options, shares withheld	76,727	87,357
Payroll taxes on restricted stock and stock options	1,239,000	1,547,000	61,000
Cash-settled awards granted, Maximum	3 years
Cash-settled awards granted, Minimum	1 year
Fair value of awards settled in cash	5,299,000	197,000	751,000
Fair value of vested cash-settled awards	19,071,000
Aggregate current value of non-vested cash-settled awards	7,278,000
Stock price of non-vested cash-settled awards	$ 17.33
Period after market leverage stock unit vest	3 years
Intrinsic value of options exercised	64,000	766,000	578,000
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of share to be issued at stock price decrease by more than fifty percent	0
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized share-based compensation expense related to non-vested equity-settled awards, restricted stock and stock options	585,000
Weighted average period over which amount will be recognized	1 year
Cash-settled awards granted, Maximum	4 years
Cash-settled awards granted, Minimum	3 years
Minimum Percent Annualized Return on Assets Vesting for Stock Unit Awards	1.00%
Vesting period of restricted stock units	3 years
Aggregate current value of non-vested cash-settled restricted stock unit awards		$ 15.02	$ 17.56
Aggregate current value of non-vested cash-settled restricted stock units		399,000	636,000
Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash-settled awards granted, Maximum	4 years
Cash-settled awards granted, Minimum	3 years
Terms of awards	10 years
Aggregate current value of non-vested cash-settled restricted stock units	866,000	895,000	909,000
weighted average exercise price, Per Share		$ 11.31	$ 11.28
Granted, Equivalent Units	0
Market-leveraged stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Equivalent Units	154,900
Number of shares to be issued if stock price increases by fifty percent	232,370
Numbers of shares to be issued if stock price decreases by fifty percent	77,460
Equity-settled awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized share-based compensation expense related to non-vested equity-settled awards, restricted stock and stock options	4,351,000
Weighted average period over which amount will be recognized	2 years
Aggregate current value of non-vested cash-settled restricted stock unit awards	$ 18.99	$ 20.74
Aggregate current value of non-vested cash-settled restricted stock units	409,000	159,000
Granted, Equivalent Units	368,000
Minimum increases in stock price	50.00%
Percentage of decrease in stock price	50.00%
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized share-based compensation expense related to non-vested equity-settled awards, restricted stock and stock options	3,643,000
Weighted average period over which amount will be recognized	2 years
Terms of awards		10 years
Exercisable period		4 years
Cash Settled Restricted Stock Unit [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate current value of non-vested cash-settled restricted stock unit awards	$ 17.03	$ 13.13	$ 11.88
Aggregate current value of non-vested cash-settled restricted stock units	350,000	449,000	376,000
Granted, Equivalent Units	187,000
Performance Stock Units Psu [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period over or after performance stock unit vest	3 years
Temple Inland Stock [Member] \| Pre Spin Stock Option Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intrinsic value of options exercised	1,132,000
Forestar Stock [Member] \| Pre Spin Stock Option Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Terms of awards	10 years
Exercisable period	4 years
Options Outstanding	60,000
Weighted average exercise price	$ 25.21
Weighted Average Remaining Contractual Term	3 years
Aggregate intrinsic value	$ 27,000
Special Performance [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Equivalent Units	41,031
Special performance stock Unit Performance period	3 years
Special Performance [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Special Performance Stock Unit awards to be issued	0
Special Performance [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Special Performance Stock Unit awards to be issued	92,320