v2.4.0.8
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)