OTHER INTANGIBLE ASSETS

3 Months Ended

Jan. 31, 2016

Intangible Assets, Net (Excluding Goodwill) [Abstract]

OTHER INTANGIBLE ASSETS

OTHER INTANGIBLE ASSETS

As of the dates indicated, other intangible assets are comprised of the following (in thousands):

	January 31, 2016							October 31, 2015
	Gross Intangible		Accumulated Amortization			Net Intangible		Gross Intangible		Accumulated Amortization			Net Intangible
Developed technology	$	506,647	$	(392,081	)	$	114,566	$	506,647	$	(382,130	)	$	124,517
Patents and licenses	46,538		(46,113		)	425		46,538		(46,072		)	466
Customer relationships, covenants not to compete, outstanding purchase orders and contracts	388,621		(321,445		)	67,176		388,621		(310,931		)	77,690
Total other intangible assets	$	941,806	$	(759,639	)	$	182,167	$	941,806	$	(739,133	)	$	202,673

The aggregate amortization expense of intangible assets was $13.2 million and $20.5 million for the first three months of fiscal 2015 and 2016, respectively. Expected future amortization of intangible assets for the fiscal years indicated is as follows (in thousands):

Period ended October 31,
2016 (remaining nine months)	$	55,120
2017	41,773
2018	19,092
2019	18,545
2020	17,518
Thereafter	30,119
	$	182,167