INCOME TAXES (Details 2) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Deferred tax assets:
Inventories	$ 18,536	$ 15,581
Deferred compensation liability	15,805	11,708
Foreign R and D carryforward and credit	3,432	3,277
Bonus accrual	2,671	2,373
Stock option compensation	3,151	1,947
Capital lease obligation	1,412	1,354
Allowance for doubtful accounts receivable	778	973
Vacation accrual	1,288	877
Warranty reserve	871	793
Customer rebates accrual	2,029	616
Other	2,119	2,986
Total deferred tax assets	52,092	42,485
Deferred tax liabilities:
Intangible asset amortization	(102,829)	(68,601)
Accelerated depreciation	(8,950)	(7,069)
Other	(712)	(1,054)
Total deferred tax liabilities	(112,491)	(76,724)
Net deferred tax liability	$ (60,399)	$ (34,239)