SELECTED FINANCIAL STATEMENT INFORMATION (Details 4) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Accrued employee compensation and related payroll taxes	$ 41,307	$ 39,330
Accrued customer rebates and credits	10,833	9,595
Accrued additional purchase consideration	2,917	11,016
Deferred revenue	6,442	3,195
Other	14,742	13,240
Accrued expenses and other current liabilities	$ 76,241	$ 76,376