Consolidated Statements of Income (Parentheticals) (USD $)	12 Months Ended
Feb. 28, 2014	Feb. 28, 2013	Feb. 29, 2012
Cost of sales, depreciation and amortization	$ 292,914	$ 286,541	$ 278,266

Depreciation of property, plant and equipment directly related to goods produced and sold during the reporting period.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2(a))

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

Name:	us-gaap_CostOfGoodsSoldDepreciationAndAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration