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Benefit Plans (Changes Recognized In Accumulated Other Comprehensive Loss) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Feb. 28, 2014 | Feb. 28, 2013
Defined Benefit Plan Disclosure [Line Items] |  |
Net actuarial (gain) loss | $ (15,465) | $ 16,694
Pension Plan [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Net actuarial (gain) loss | (16,268) | 17,182
Restoration Plan [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Net actuarial (gain) loss | $ 803 | $ (488)

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- Definition Amount before tax, after reclassification adjustments, of actuarial gain (loss) that has not been recognized in the income statement. + 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 (i) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669646-108580 + Details
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