Condensed Consolidated Statements Of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Apr. 30, 2013	Apr. 30, 2012
Cash flows from operating activities:
Net income	$ 18,904	$ 17,384
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	13,656	12,397
Amortization of debt issuance costs and debt discount	238	238
Share-based compensation	2,887	2,049
Provision for bad debts	220	108
Write-down for inventory obsolescence	211	707
Loss from disposal of assets	171	91
Profit on sale of leased assets	(3,485)	(603)
Excess tax benefit from stock option exercises	(600)	(1,207)
Changes in operating assets and liabilities:
Accounts receivable and investment in sales-type leases and notes receivable	(2,500)	(1,970)
Inventories	(6,558)	(4,248)
Accounts payable and accrued liabilities	(562)	(2,580)
Customer deposits and deferred revenue	1,231	4
Income taxes payable	(894)	1,466
Deferred income taxes	1,680	2,277
Prepaid income taxes	(4,754)	(3,377)
Other	(1,592)	(2,132)
Net cash provided by operating activities	18,253	20,604
Cash flows from investing activities:
Proceeds from sale of leased assets	5,140	1,029
Payments for products leased and held for lease	(6,623)	(6,706)
Purchases of property and equipment	(6,371)	(4,240)
Purchases of intangible assets	(139)	(4,103)
Acquisition of business	(1,590)	(5,500)
Other	(475)	(454)
Net cash used by investing activities	(10,058)	(19,974)
Cash flows from financing activities:
Proceeds from Revolver	8,000	6,000
Debt payments on Revolver	(2,000)	(22,000)
Proceeds from issuance of common stock, net	2,030	14,128
Excess tax benefit from stock option exercises	600	1,207
Other	(28)	(30)
Net cash provided (used in) by financing activities	8,602	(695)
Effect of exchange rate changes on cash	(149)	840
Net increase (decrease) in cash and cash equivalents	16,648	775
Cash and cash equivalents, beginning of year	24,160	22,189
Cash and cash equivalents, end of period	40,808	22,964
Non-cash investing activities
Noncash additions to property and equipment included in accounts payable	$ 1,864