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Consolidated Statements of Comprehensive Income (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Apr. 30, 2013
Apr. 30, 2012
Apr. 30, 2013
Apr. 30, 2012
Net income $ 19,274 $ 11,712 $ 32,656 $ 22,342
Unrealized gains (losses) on auction rate securities:        
Unrealized gains (losses) on auction rate securities 162 (153) 214 2,324
Reclassification adjustment for credit losses recognized in earnings   313   313
Net unrealized gains on auction rate securities 162 160 214 2,637
Unrealized (losses) gains on interest rate swaps:        
Unrealized losses arising during the period (545) (1) (549) (68)
Reclassification adjustment for loss included in interest expense 100 40 143 79
Net unrealized (losses) gains on interest rate swaps (445) 39 (406) 11
Foreign currency translation (131) 171 (247) 69
Defined and post-retirement benefit plans adjustments:        
Reclassification adjustment for amortization of actuarial losses 35 24 70 49
Reclassification adjustment for settlement losses 37   64  
Net defined and post-retirement benefit plans adjustments 72 24 134 49
Other comprehensive (loss) income, before tax (342) 394 (305) 2,766
Income tax benefit (expense) related to other comprehensive income 87 (92) 24 (1,105)
Comprehensive income $ 19,019 $ 12,014 $ 32,375 $ 24,003