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Note 1 - Description of Business and Summary of Significant Accounting Policies (Detail) (USD $)
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12 Months Ended |
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Oct. 31, 2012
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Oct. 31, 2011
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Oct. 31, 2010
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Oct. 31, 2009
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| Prior Period Reclassification Adjustment (in Dollars) |
$ 3,200,000 |
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| Net Trade Accounts Receivable Concentration Risk Percentage |
10.00% |
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| Number of Major Customers who Exceeded 10 Percent of Net Investment in Sales-type Lease and Notes Receivable |
1 |
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| Net Investment in Sales-type Lease and Notes Receivable Concentration Risk Percentage |
10.00% |
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| Concentration Risk, Percentage |
10.00% |
10.00% |
10.00% |
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| Inventory Write-down (in Dollars) |
22,000 |
1,065,000 |
1,019,000 |
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| Goodwill (in Dollars) |
84,950,000 |
85,392,000 |
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| Indefinite-Lived Trade Names (in Dollars) |
24,500,000 |
25,500,000 |
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| Pre-tax Royalty Rate |
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4.00% |
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| Advertising Expense (in Dollars) |
3,400,000 |
3,000,000 |
2,200,000 |
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| Cash and Cash Equivalents, at Carrying Value (in Dollars) |
24,160,000 |
22,189,000 |
9,988,000 |
7,840,000 |
| Allowance for Doubtful Accounts Receivable, Current (in Dollars) |
491,000 |
402,000 |
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| Investment In Salestype Leases And Notes Receivable Allowance For Bad Debts (in Dollars) |
10,000 |
50,000 |
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Held by Foreign Subsidiaries [Member]
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| Cash and Cash Equivalents, at Carrying Value (in Dollars) |
$ 22,500,000 |
$ 17,500,000 |
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Extended Payment Terms on Receivables [Member] | Minimum [Member]
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| Sales-type Leases Contract Terms |
1 year |
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Extended Payment Terms on Receivables [Member] | Maximum [Member]
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| Sales-type Leases Contract Terms |
3 years |
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Minimum [Member]
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| Credit Terms |
30 days |
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| Property, Plant and Equipment, Estimated Useful Lives |
three |
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Maximum [Member]
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| Credit Terms |
90 days |
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| Net Trade Accounts Receivable Concentration Risk Percentage |
10.00% |
10.00% |
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| Net Investment in Sales-type Lease and Notes Receivable Concentration Risk Percentage |
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10.00% |
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| Property, Plant and Equipment, Estimated Useful Lives |
five |
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If Discount Rate is Increased to 13.5% [Member] | Each Reporting Unit [Member]
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| Percentage of which the Fair Value Exceeded Its Carrying Value |
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43.00% |
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If Discount Rate is Increased to 13.5% [Member] | Trade Name [Member]
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| Percentage of which the Fair Value Exceeded Its Carrying Value |
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57.00% |
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If Discount Rate is Increased to 15% [Member] | Each Reporting Unit [Member]
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| Percentage of which the Fair Value Exceeded Its Carrying Value |
13.00% |
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Each Reporting Unit [Member]
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| Fair Value Inputs, Discount Rate |
14.00% |
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12.50% |
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Trade Name [Member]
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| Fair Value Inputs, Discount Rate |
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12.50% |
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