Employee Benefit Plan (Tables)

12 Months Ended

Oct. 31, 2012

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Expected Benefit Payments [Table Text Block]

	Pension Benefits			Other Benefits
2013		$	3,480		$	92
2014		3,630			86
2015		3,900			82
2016		3,960			81
2017		4,230			74
2018-2022		23,300			308

Fair Value Inputs, Assets, Quantitative Information [Table Text Block]

			Fair Value Measurements						Fair Value Measurements
			at October 31, 2012 Using						at October 31, 2011 Using
			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)				Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)
							Significant Unobservable Inputs (Level 3)						Significant Unobservable Inputs (Level 3)
Investments
	Equity
		Large U.S. Equity	$	7,805	$	10,027	$	—	$	8,237	$	10,495	$	—
		Small/Mid U.S. Equity	2,632		3,710		—		2,510		4,446		—
		International Equity	5,347		—		—		5,677		0		—
	Fixed Income
		Government	—		281		—		—		285		—
		Corporate	10,775		9,414		—		6,376		5,669		—
	Real Estate (Primarily Commercial)		—		—		3,239		—		—		2,523
Total Investments			$	26,559	$	23,432	$	3,239	$	22,800	$	20,895	$	2,523

Schedule of Health Care Cost Trend Rates [Table Text Block]

Assumed health care trend rates at October 31	2012	2011
Health care cost trend rate assumed for next year	8.0%	8.0%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	7.5%	7.5%
Year that the rate reaches the ultimate trend rate	2014	2013

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block]

	One-Percentage Point Increase		One-Percentage Point Decrease
Effect on total of service and interest cost components	$	5	$	(4	)
Effect on post retirement obligation	$	47	$	(42	)

Schedule of Allocation of Plan Assets [Table Text Block]

	Target Allocation Percentage	Plan Assets at October 31,
		2012	2011
Asset Category
Equity securities	0-70%	56%	68%
Debt securities	0-70%	38%	27%
Real estate	0-10%	6%	5%
Total		100%	100%

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

	Fair Value Measurements Using Significant Unobservable Inputs
	(Level 3)
	Pooled Separate Account-Real Estate
Balance, November 1, 2010		$2,029
Total unrealized gains or losses included in change in net assets available for benefits of
the plans:
Net unrealized appreciation relating to assets held at end of year		494
Balance, October 31, 2011		2,523
Total unrealized gains or losses included in change in net assets available for benefits of
the plans:
Net unrealized appreciation relating to assets held at end of year		716
Balance, October 31, 2012		$3,239

Schedule of Net Benefit Costs [Table Text Block]

	Pension Benefits						Other Post Retirement Benefits
	2012			2011			2012			2011
Change in benefit obligation:
Benefit obligation at beginning of year	$	(75,292	)	$	(70,912	)	$	(935	)	$	(590	)
Service cost	—			(140		)	—			(7		)
Interest cost	(3,683		)	(3,821		)	(45		)	(30		)
Amendments and settlements	—			—			—			98
Actuarial gain (loss)	(13,186		)	(3,913		)	18			(445		)
Benefits paid	3,496			3,494			22			39
Benefit obligation at end of year	(88,665		)	(75,292		)	(940		)	(935		)
Change in plan assets:
Fair value of plan assets at beginning of year	46,218			42,488			—			—
Actual return on plan assets	4,601			2,769			—			—
Employer contributions	5,907			4,455			22			39
Benefits paid	(3,496		)	(3,494		)	(22		)	(39		)
Fair value of plan assets at end of year	53,230			46,218			—			—
Funded status, benefit obligations in excess of plan assets	$	(35,435	)	$	(29,074	)	$	(940	)	$	(935	)

Components of Net Periodic Benefit Cost
	Pension Benefits						Other Post Retirement Benefits
	2012			2011			2012		2011
Service cost	$	—		$	140		$	—	$	7
Interest cost	3,683			3,821			45		30
Expected return on plan assets	(3,251		)	(2,821		)	—		—
Amortization of net actuarial loss	1,040			1,245			54		61
Net periodic benefit cost	$	1,472		$	2,385		$	99	$	98

Schedule of Amounts Recognized in Balance Sheet [Table Text Block]

	Pension Benefits						Other Post Retirement Benefits
	2012			2011			2012			2011
Other accrued expenses	$	(3,480	)	$	(5,910	)	$	(92	)	$	(82	)
Long-term benefit liabilities	(31,955		)	(23,164		)	(848		)	(853		)
Total	$	(35,435	)	$	(29,074	)	$	(940	)	$	(935	)

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

	Pension Benefits	Other Post Retirement Benefits
Amortization of net actuarial loss	$1,392	$48

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Pension Benefits				Other Post Retirement Benefits
	2012		2011		2012		2011
Net actuarial loss	$	49,415	$	38,619	$	772	$	844
Accumulated other comprehensive income	$	49,415	$	38,619	$	772	$	844

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

	Pension Benefits						Other Post Retirement Benefits
	2012			2011			2012		2011
Increase (decrease) in minimum liability included in other comprehensive income	$	(10,796	)	$	(2,721	)	$	72	$	(286	)

Schedule of Assumptions Used [Table Text Block]

Weighted-average assumptions used to determine benefit obligations at October 31	Pension Benefits				Other Post Retirement Benefits
	2012		2011		2012		2011
Discount rate	3.75	%	5.00	%	3.75	%	5.00	%

	Pension Benefits				Other Post Retirement Benefits
Weighted-average assumptions used to determine net periodic benefit costs for years ended October 31	2012		2011		2012		2011
Discount rate	5.00	%	5.50	%	5.00	%	5.50	%
Expected long-term return on plan assets	7.50	%	7.50	%	—		—