XML 53 R56.htm IDEA: XBRL DOCUMENT v2.4.1.9

CHANGE IN ACCOUNTING ESTIMATE - Estimates (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Feb. 28, 2015	Nov. 30, 2014	Aug. 31, 2014	May 31, 2014	Feb. 28, 2014	Nov. 30, 2013	Aug. 31, 2013	May 31, 2013	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2013
Change in Accounting Estimate
Operating income									$ 161,719us-gaap_OperatingIncomeLoss	$ 117,100us-gaap_OperatingIncomeLoss	$ 148,773us-gaap_OperatingIncomeLoss
Net Income	40,550us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	55,377us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	18,839us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	16,398us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	11,014us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	37,524us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	23,318us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	14,392us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	131,164us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	86,248us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	115,666us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Diluted earnings per share (in dollars per share)	$ 1.40us-gaap_EarningsPerShareDiluted	$ 1.92us-gaap_EarningsPerShareDiluted	$ 0.65us-gaap_EarningsPerShareDiluted	$ 0.55us-gaap_EarningsPerShareDiluted	$ 0.34us-gaap_EarningsPerShareDiluted	$ 1.16us-gaap_EarningsPerShareDiluted	$ 0.72us-gaap_EarningsPerShareDiluted	$ 0.45us-gaap_EarningsPerShareDiluted	$ 4.52us-gaap_EarningsPerShareDiluted	$ 2.66us-gaap_EarningsPerShareDiluted	$ 3.62us-gaap_EarningsPerShareDiluted
Revision to product liability estimates
Change in Accounting Estimate
Operating income									2,220us-gaap_OperatingIncomeLoss / us-gaap_ChangeInAccountingEstimateByTypeAxis = us-gaap_WarrantyObligationsMember
Net Income									$ 1,360us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / us-gaap_ChangeInAccountingEstimateByTypeAxis = us-gaap_WarrantyObligationsMember
Diluted earnings per share (in dollars per share)									$ 0.05us-gaap_EarningsPerShareDiluted / us-gaap_ChangeInAccountingEstimateByTypeAxis = us-gaap_WarrantyObligationsMember

X

- Details

Name:	us-gaap_ChangeInAccountingEstimateLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.21)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 18

-Article 7



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 20

-Article 5



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 21

-Article 9

+ Details

Name:	us-gaap_EarningsPerShareDiluted
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1377-109256

+ Details

Name:	us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

Name:	us-gaap_OperatingIncomeLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_ChangeInAccountingEstimateByTypeAxis=us-gaap_WarrantyObligationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: