Defined benefit plan future amortization of transition obligation asset.

No definition available.

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- Definition

The amount of increase in the benefit obligation with a corresponding increase in AOCI as a result of an acceleration in vesting of service caused by a change in control.

+ References

No definition available.

+ Details

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- Definition

Number Of Defined Contribution Plans

+ References

No definition available.

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- Definition

Number Of Unfunded Plans

+ References

No definition available.

+ Details

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- Definition

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Glossary Expected Long-Term Rate of Return on Plan Assets

-URI http://asc.fasb.org/extlink&oid=6512013

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (k)(3)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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- Definition

The amount of decrease that is related to an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)(10)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Plan Curtailment

-URI http://asc.fasb.org/extlink&oid=6520938

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Section 15

-Paragraph 6

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927

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- Definition

Amount included in accumulated other comprehensive income (AOCI) related to gain (loss) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position.

+ References

No definition available.

+ Details

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- Definition

Amount included in accumulated other comprehensive income (AOCI) related to prior service cost (credit) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position.

+ References

No definition available.

+ Details

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- Definition

The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

+ References

+ Details

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- Definition

Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

+ References

+ Details

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

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- Definition

Amount of contributions made to multiemployer plans by the employer. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 80

-Section 50

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450702-114947

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 80

-Section 50

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450691-114947

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 80

-Section 50

-Paragraph 5

-Subparagraph (e)(1)

-URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450657-114947

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Retirement and Postretirement Benefit Plans - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended						1 Months Ended	12 Months Ended
	Feb. 28, 2014 Plans	Feb. 28, 2013	Feb. 29, 2012	Feb. 28, 2014 Minimum [Member]	Feb. 28, 2014 Maximum [Member]	Feb. 28, 2014 Canadian Subsidiary [Member] Plans	Dec. 31, 2013 Supplemental Executive Retirement Plan [Member]	Feb. 28, 2014 Defined Benefit Pension Plans [Member]	Feb. 28, 2013 Defined Benefit Pension Plans [Member]	Feb. 29, 2012 Defined Benefit Pension Plans [Member]	Feb. 28, 2014 Postretirement Benefits Plans [Member]	Feb. 28, 2013 Postretirement Benefits Plans [Member]	Feb. 29, 2012 Postretirement Benefits Plans [Member]	Feb. 28, 2014 Supplemental Executive Retirement Plan in 2014 [Member]	Feb. 28, 2014 Profit-Sharing Plan [Member]	Feb. 28, 2013 Profit-Sharing Plan [Member]	Feb. 29, 2012 Profit-Sharing Plan [Member]	Feb. 28, 2014 Defined Contribution Plans [Member] Domestic [Member]	Feb. 28, 2013 Defined Contribution Plans [Member] Domestic [Member]	Feb. 29, 2012 Defined Contribution Plans [Member] Domestic [Member]	Feb. 28, 2014 Defined Contribution Plans [Member] U K Subsidiary [Member]	Feb. 28, 2013 Defined Contribution Plans [Member] U K Subsidiary [Member]	Feb. 29, 2012 Defined Contribution Plans [Member] U K Subsidiary [Member]	Feb. 28, 2014 Gibson Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Corporate contributions to the profit sharing plan															$ 9,149	$ 7,536	$ 9,401	$ 5,070	$ 6,273	$ 5,976	$ 2,124	$ 1,970	$ 2,012
Total pension expense for the multiemployer plan	582	544	513
Benefit obligation							2,613	2,613
Curtailment gain							7,164	7,164
Loss on net periodic benefit cost							1,746	7,340	6,051	4,973	(2,585)	(2,432)	(2,882)
Number of unfunded plans	2
Number of defined contribution plan						1
Employee contribution, matching percentage of eligible compensation				2.00%	4.00%
Employer's contribution in defined contribution plan	378	359	414
Amortization of estimated net loss								2,818			(935)
Amortization of prior service cost/(credit)											(1,300)
Amortization of transition obligation								5
Expected long-term rate of return											6.50%
Estimated future employer contribution														$ 2,497										$ 4,965