Employee Benefits (Schedule of Change in Benefit Obligations and Changes in Fair Value of Plan Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Change in Benefit Obligation [Roll Forward]
Benefit obligation, beginning of year	$ 88,607	$ 64,989	$ 54,751
Service cost	7,383	4,937	4,749
Interest cost	3,287	3,053	2,973
Benefits paid	(3,508)	(1,308)	(1,440)
Actuarial (gain)/loss	(11,609)	16,936	3,956
Benefit obligation, end of year	84,160	88,607	64,989
Change in plan assets [Roll Forward]
Fair value of plan assets, beginning of year	47,427	39,098	33,444
Actual return on plan assets	9,083	4,411	1,474
Employer contributions	6,234	5,226	5,620
Benefits paid	(3,508)	(1,308)	(1,440)
Fair value of plan assets, end of year	59,236	47,427	39,098
Funded status at end of year	$ (24,924)	$ (41,180)	$ (25,891)