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Commitments and Contengencies (Concentration Risk & Other) (Details Textual 2)
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12 Months Ended |
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Feb. 28, 2013
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Workforce Subject to Collective Bargaining Arrangements [Member]
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| Concentration Risk [Line Items] | |
| Concentration Risk, Percentage | 10.00% |
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Workforce Subject to Collective Bargaining Arrangements Expiring within One Year [Member]
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| Concentration Risk [Line Items] | |
| Concentration Risk, Percentage | 2.00% |
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- Details
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- Definition
For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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