v2.4.0.6
Comprehensive Income (Components Of Total Comprehensive Income) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Nov. 30, 2011
Nov. 30, 2010
Nov. 30, 2011
Nov. 30, 2010
Comprehensive Income [Abstract]        
Net earnings $ 82,794 $ 82,364 $ 320,977 $ 291,368
Amortization recognized in net pension expense 72 48 230 120
Effective portion of changes in fair value (9,209) (4,579) (18,914) (10,917)
Reclassifications to net earnings 3,296 812 4,484 1,035
Total comprehensive income $ 76,953 $ 78,645 $ 306,777 $ 281,606