Schedule II Valuation and Qualifying Accounts (Detail) - USD ($) $ in Thousands	12 Months Ended
Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Reserve for Customer Deductions [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 3,025	$ 1,482	$ 2,693
Additions	10,400	11,833	9,722
Deductions	11,284	10,290	10,933
Balance at end of year	2,141	3,025	1,482
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	223	215	528
Additions	74	143	62
Deductions	126	135	375
Balance at end of year	$ 171	$ 223	$ 215

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 09
-Article 12

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