Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 31, 2012	Jan. 31, 2011
Cash flows from operating activities:
Net income	$ 7,649	$ 4,804
Adjustments to reconcile net income (loss) to cash provided by operating activities:
Depreciation and amortization	6,017	5,761
Amortization of debt issuance costs and debt discount	119	119
Share-based compensation	932	735
Provision for bad debts	92	98
Write-down for inventory obsolescence	374
Loss on sale of assets	33	59
Loss (profit) on sale of leased assets	99	(1,501)
Excess tax benefit from stock option exercises	(331)	(600)
Changes in operating assets and liabilities:
Accounts receivable and investment in sales-type leases and notes receivable	7,158	12,324
Inventories	(1,194)	(4,843)
Accounts payable and accrued liabilities	(6,156)	(12,308)
Customer deposits and deferred revenue	977	1,565
Income taxes	1,598	105
Deferred income taxes	671	1,224
Prepaid income taxes	(812)	47
Other	(783)	698
Net cash provided by operating activities	16,443	8,287
Cash flows from investing activities:
Proceeds from sale of assets		47
Proceeds from sale of leased assets	41	2,086
Payments for products leased and held for lease	(3,850)	(4,277)
Purchases of property and equipment	(882)	(930)
Purchases of intangible assets	(4,030)	(4,910)
Acquisition of business	(5,500)	(6,499)
Other	(218)	(221)
Net cash used by investing activities	(14,439)	(14,704)
Cash flows from financing activities:
Proceeds from Revolver	6,000	16,501
Debt payments on Revolver	(7,000)	(4,000)
Proceeds from issuance of common stock, net	2,418	1,437
Excess tax benefit from stock option exercises	331	600
Other	(15)	(14)
Net cash used by financing activities	1,734	14,524
Effect of exchange rate changes on cash	911	4
Net increase (decrease) in cash and cash equivalents	4,649	8,111
Cash and cash equivalents, beginning of year	22,189	9,988
Cash and cash equivalents, end of year	$ 26,838	$ 18,099