Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Jul. 31, 2011	Jul. 31, 2010
Cash flows from operating activities:
Net income	$ 21,876	$ 17,406
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	17,951	17,584
Amortization of debt issuance costs	357	776
Share-based compensation	2,184	3,324
Provision for bad debts	140	496
Write-down for inventory obsolescence	626	382
Gain on sale of leased assets	(4,182)	(5,081)
Loss (Gain) on sale of assets	238	(23)
Excess tax benefit from exercise of stock options	(808)	(23)
Accounts receivable	3,182	1,337
Investment in sales-type leases and notes receivable	779	(22)
Inventories	(3,948)	401
Accounts payable and accrued liabilities	(21,232)	12,811
Customer deposits and deferred revenue	825	(2,117)
Income taxes payable	3,666	1,554
Deferred income taxes	1,036	248
Prepaid income taxes	3,812	447
Other	10,190	(10,866)
Net cash provided by operating activities	36,692	38,634
Proceeds from sale of leased assets	6,240	7,277
Proceeds from sale of assets	86	133
Payments for products leased and held for lease	(11,608)	(16,706)
Purchases of property and equipment	(2,683)	(4,314)
Purchases of intangible assets	(6,269)	(2,298)
Acquisition of business	(6,499)
Other	(701)	(1,039)
Net cash used in investing activities	(21,434)	(16,947)
Cash flows from financing activities:
Debt payments on Term Loan		(4,656)
Proceeds from issuances of common stock, net	2,156	53
Excess tax benefit from exercise of stock options	808	23
Other	(41)	(110)
Net cash provided by (used in) financing activities	4,423	(2,810)
Effect of exchange rate changes on cash and cash equivalents	522	(239)
Net increase in cash and cash equivalents	20,203	18,638
Cash and cash equivalents, beginning of period	9,988	7,840
Cash and cash equivalents, end of period	30,191	26,478
Proceeds From Revolver [Member]
Cash flows from financing activities:
Proceeds from Revolver	16,500	0
Debt Payments OnRevolver [Member]
Cash flows from financing activities:
Debt payments on Revolver	(15,000)	0
Proceeds From Deutsche Bank Senior Secured Credit Facility [Member]
Cash flows from financing activities:
Proceeds from Revolver	0	12,125
Debt Payments OnDeutsche Bank Senior Secured Credit Facility [Member]
Cash flows from financing activities:
Debt payments on Revolver	$ 0	$ (10,245)