Share-based compensation arrangements by share based payment award and defined benefit plan.

No definition available.

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- Definition

Date the defined benefit plan was terminated.

+ References

No definition available.

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- Definition

This represents the current liability recognized in the balance sheet that is associated with the defined benefit pension plans.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 2

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-02.24)

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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.

+ 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 (a)(1)

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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

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)(iii)(1)

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- Definition

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).

+ 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)(iii)(1)

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- Definition

Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award.

+ References

No definition available.

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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-Paragraph 2

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- Definition

Percentage of vesting of share-based compensation awards.

+ References

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Employee Stock-Based Compensation and Retirement Plans - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions		9 Months Ended
	Feb. 11, 2015	Sep. 30, 2015
ProBuild Holdings LLC
Share Based Compensation Arrangements By Share Based Payment Award And Defined Benefit [Line Items]
Retirement plan termination date		Jan. 30, 2015
Accrued pension costs related to unfunded retirement plan		$ 5.5
Stock Options
Share Based Compensation Arrangements By Share Based Payment Award And Defined Benefit [Line Items]
Stock award granted vested period	4 years
Exercise Price for the options on the grant date	$ 6.35
Fair Value for the options on the grant date	$ 4.20
Stock Options \| Share Based Compensation Award Tranche One
Share Based Compensation Arrangements By Share Based Payment Award And Defined Benefit [Line Items]
Stock award vesting percentage	25.00%
Stock Options \| Share Based Compensation Award Tranche Two
Share Based Compensation Arrangements By Share Based Payment Award And Defined Benefit [Line Items]
Stock award vesting percentage	25.00%
Stock Options \| Share Based Compensation Award Tranche Three
Share Based Compensation Arrangements By Share Based Payment Award And Defined Benefit [Line Items]
Stock award vesting percentage	25.00%
Stock Options \| Share Based Compensation Award Tranche Four
Share Based Compensation Arrangements By Share Based Payment Award And Defined Benefit [Line Items]
Stock award vesting percentage	25.00%
Restricted Stock Units (RSUs)
Share Based Compensation Arrangements By Share Based Payment Award And Defined Benefit [Line Items]
Stock award granted vested period	4 years
Grant date fair value for restricted stock units	$ 6.35
Restricted Stock Units (RSUs) \| Share Based Compensation Award Tranche One
Share Based Compensation Arrangements By Share Based Payment Award And Defined Benefit [Line Items]
Stock award vesting percentage	25.00%
Restricted Stock Units (RSUs) \| Share Based Compensation Award Tranche Two
Share Based Compensation Arrangements By Share Based Payment Award And Defined Benefit [Line Items]
Stock award vesting percentage	25.00%
Restricted Stock Units (RSUs) \| Share Based Compensation Award Tranche Three
Share Based Compensation Arrangements By Share Based Payment Award And Defined Benefit [Line Items]
Stock award vesting percentage	25.00%
Restricted Stock Units (RSUs) \| Share Based Compensation Award Tranche Four
Share Based Compensation Arrangements By Share Based Payment Award And Defined Benefit [Line Items]
Stock award vesting percentage	25.00%
2014 Incentive Plan \| Stock Options
Share Based Compensation Arrangements By Share Based Payment Award And Defined Benefit [Line Items]
Options, Granted	142,000
2014 Incentive Plan \| Restricted Stock Units (RSUs)
Share Based Compensation Arrangements By Share Based Payment Award And Defined Benefit [Line Items]
Restricted stock units, granted	142,000