|
Commitments and Contengencies (Details Textual 1)
|
12 Months Ended |
|---|---|
|
Feb. 28, 2015
|
|
| Workforce subject to collective bargaining arrangements [Member] | |
| Concentration Risk [Line Items] | |
| Concentration risk, Percentage |
14.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_WorkforceSubjectToCollectiveBargainingArrangementsMember |
| Workforce subject to collective bargaining arrangements expiring within one year [Member] | |
| Concentration Risk [Line Items] | |
| Concentration risk, Percentage |
7.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_WorkforceSubjectToCollectiveBargainingArrangementsExpiringWithinOneYearMember |
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- 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
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|