Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2014	Oct. 31, 2013
Deferred tax assets:
Accounts receivable, principally due to allowances for doubtful accounts	$ 1,355	$ 1,145
Inventories	4,442us-gaap_DeferredTaxAssetsInventory	4,812us-gaap_DeferredTaxAssetsInventory
Litigation settlements	116	184
Accrued liabilities, reserves and compensation accruals	38,108	36,377
Restricted stock	24,677	19,925
Net operating loss carryforwards	6,245	3,555
Plant and equipment	5,701	5,514
Research and experimental expenses - Section 59(e)	3,822	5,318
Tax credit carryforwards	11,623	11,091
Total gross deferred tax assets	96,089us-gaap_DeferredTaxAssetsGross	87,921us-gaap_DeferredTaxAssetsGross
Less valuation allowance	(14,506)	(968)
Deferred tax assets	81,583us-gaap_DeferredTaxAssetsNet	86,953us-gaap_DeferredTaxAssetsNet
Deferred tax liabilities:
Tax deductible goodwill	(24,207)	(21,575)
Transaction cost	(1,144)us-gaap_DeferredTaxLiabilitiesOther	(1,144)us-gaap_DeferredTaxLiabilitiesOther
Deferred Tax Liabilities, Undistributed Foreign Earnings	(41,942)	(10,179)
Other intangible assets	(27,880)	(20,195)
Bonus adjustments under new accounting method	0	(1,300)
Total gross deferred tax liabilities	(95,173)us-gaap_DeferredIncomeTaxLiabilities	(54,393)us-gaap_DeferredIncomeTaxLiabilities
Net deferred tax (liabilities) assets	$ (13,590)us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 32,560us-gaap_DeferredTaxAssetsLiabilitiesNet

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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