Accrued Liabilities (Details) (USD $)	3 Months Ended
	Jan. 31, 2013		Oct. 31, 2012
Accrued Liabilities, Current [Abstract]
Employee-related Liabilities, Current	$ 3,560,000	[1]	$ 3,907,000	[1]
Accrued Contract and Operating Costs	36,000	[2]	39,000	[2]
Product Warranty Accrual	2,384,000	[3]	2,317,000	[3]
Reserve for Service Agreement Costs	7,957,000	[4]	7,222,000	[4]
Reserve for Repair and Upgrade Program	4,669,000	[5]	4,753,000	[5]
Other Accrued Liabilities, Current	2,237,000	[6]	2,027,000	[6]
Accrued Liabilities, Current	20,843,000		20,265,000
Product Warranty Accrual, Warranties Issued	1,700,000
Product Warranty Accrual, Payment and Adjustments	1,600,000
Loss Reserve on Service Agreements	5,600,000		5,000,000
Reserve for Performance Guarantees	2,400,000		2,200,000
costs for repair and upgrades	$ 100,000

[1] Balance relates to amounts owed to employees for compensation and benefits as of the end of the period.

[2] Balance includes estimated losses accrued on product sales contracts.

[3] Activity in the reserve for product warranty costs for the three months ended January 31, 2013 included additions for estimates of potential future warranty obligations of $1.7 million on contracts in the warranty period and reserve reductions related to actual warranty spend and reversals to income of $1.6 million as contracts progress through the warranty period or are beyond the warranty period.

[4] As of January 31, 2013, the loss reserve on service agreement contracts totaled $5.6 million compared to $5.0 million as of October 31, 2012. Also included in this line item is a reserve for performance guarantees penalties under the terms of our customer contracts, which based on our ongoing analysis of historical fleet performance totaled $2.4 million and $2.2 million as of January 31, 2013 and October 31, 2012, respectively.

[5] For the three months ended January 31, 2013, the Company incurred actual repair and upgrade costs of approximately $0.1 million.

[6] Balance includes accrued sales, use and payroll taxes as well as accrued legal, professional and other expenses as of the end of the period.