Employee Benefits (Schedule of Reconcilition of Prepaid (Accrued) Pension Cost) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Prepaid (Accrued) Pension Cost [Roll Forward]
Accrued pension cost at prior fiscal year end	$ (5,660)	$ (5,706)	$ (4,390)
Net periodic pension cost	5,736	5,574	5,080
Contributions made during the year	5,226	5,620	3,764
Adjustment due to change in measurement date	0	0	0
Accrued pension cost at fiscal year end	$ (6,170)	$ (5,660)	$ (5,706)