Other Intangible Assets (Tables)

3 Months Ended

Jan. 31, 2015

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Intangible assets

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

	October 31, 2014							January 31, 2015
	Gross Intangible		Accumulated Amortization			Net Intangible		Gross Intangible		Accumulated Amortization			Net Intangible
Developed technology	$	417,833	$	(351,929	)	$	65,904	$	417,833	$	(358,678	)	$	59,155
Patents and licenses	46,538		(45,908		)	630		46,538		(45,949		)	589
Customer relationships, covenants not to compete, outstanding purchase orders and contracts	323,573		(261,430		)	62,143		323,573		(267,859		)	55,714
Total other intangible assets	$	787,944	$	(659,267	)	$	128,677	$	787,944	$	(672,486	)	$	115,458

Expected future amortization of finite-lived intangible assets

Expected future amortization of finite-lived other intangible assets for the fiscal years indicated is as follows (in thousands):

Period ended October 31,
2015 (remaining nine months)	$	39,659
2016	52,879
2017	22,783
2018	137
	$	115,458