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Benefit Plans (Assumptions Used To Determine Net Pension Expense) (Details) | 12 Months Ended
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Feb. 28, 2014 | Feb. 28, 2013 | Feb. 29, 2012
Pension Plan [Member] |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |
Discount rate | 4.30% | [1] | 4.75% | [1] | 5.80% | [1]
Expected rate of return on plan assets | 7.75% |  | 7.75% |  | 7.75% |
Restoration Plan [Member] |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |
Discount rate | 4.30% | [1] | 4.75% | [1] | 5.80% | [1]
Expected rate of return on plan assets | 0.00% |  | 0.00% |  | 0.00% |
Restoration Plan [Member] | Post-2004 Lump Sum Payment Assumption [Member] |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |
Discount rate | 4.50% | [1] | 4.50% | [1] | 5.00% | [1]
[1] | For the restoration plan, the discount rate presented is applied to the pre-2004 annuity amounts. A rate of 4.50% is assumed for post-2004 lump sum amounts paid from the plan for fiscal 2014 and fiscal 2013. For fiscal 2012 and prior years, a rate of 5.00% was assumed for post-2004 lump sum amounts paid from the plan.

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- Definition The interest rate used to adjust for the time value of money. + 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 (k)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + 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 + Details
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