Employee Benefits (Schedule Of Components Of Net Periodic Pension Costs) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 31, 2012	Jan. 31, 2011
Employee Benefits [Abstract]
Service cost	$ 1,234	$ 1,187
Interest cost	763	744
Expected return on assets	(856)	(736)
Amortization of prior service cost	6	6
Amortization of transition obligation	5	5
Recognized net actuarial loss	282	188
Net periodic pension cost	$ 1,434	$ 1,394