Comprehensive Income (Accumulated Other Comprehensive Loss) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Aug. 31, 2013
Schedule of Accumulated Other Comprehensive Loss [Line Items]
Balance as of February 28, 2013	$ (59,808)
Other comprehensive income before reclassifications	2,032
Amounts reclassified from accumulated other comprehensive loss	3,867
Other Comprehensive Income	5,899
Balance as of August 31, 2013	(53,909)
Net Unrecognized Actuarial Losses [Member]
Schedule of Accumulated Other Comprehensive Loss [Line Items]
Balance as of February 28, 2013	(49,479)
Other comprehensive income before reclassifications	0
Amounts reclassified from accumulated other comprehensive loss	526
Other Comprehensive Income	526
Balance as of August 31, 2013	(48,953)
Net Unrecognized Hedge Losses [Member]
Schedule of Accumulated Other Comprehensive Loss [Line Items]
Balance as of February 28, 2013	(10,329)
Other comprehensive income before reclassifications	2,032
Amounts reclassified from accumulated other comprehensive loss	3,341
Other Comprehensive Income	5,373
Balance as of August 31, 2013	$ (4,956)

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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