Note 7 - Intangible Assets (Tables)

3 Months Ended

Apr. 30, 2016

Notes Tables

Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]

	April 30, 2016
	Gross Value		Impairment			Accumulated Amortization and Effect of Currency Translation			Net Value		Weighted Average Remaining Amortization Period (Years)
Acquired intangible assets:
Developed technology	$	85,429	$	(24,614	)	$	(50,041	)	$	10,774		6.8
Customer relationships		54,505		(30,486	)		(19,962	)		4,057		5.7
Trademarks and other		4,078		-			(3,769	)		309		2.7
Purchased IP - amortizing		34,067		(5,516	)		(19,823	)		8,728		2.7
Total amortizing		178,079		(60,616	)		(93,595	)		23,868		5.0
Purchased IP - not yet deployed		15,026		(4,140	)		-			10,886
Total intangibles	$	193,105	$	(64,756	)	$	(93,595	)	$	34,754

	January 30, 2016
	Gross Value		Impairment			Accumulated Amortization and Effect of Currency Translation			Net Value		Weighted Average Remaining Amortization Period (Years)
Acquired intangible assets:
Developed technology	$	85,427	$	(24,614	)	$	(48,824	)	$	11,989		6.5
Customer relationships		54,505		(30,486	)		(19,557	)		4,462		5.7
Trademarks and other		4,078		-			(3,739	)		339		2.9
Purchased IP - amortizing		32,838		(5,516	)		(18,696	)		8,626		2.9
Total amortizing		176,848		(60,616	)		(90,816	)		25,416		5.1
Purchased IP - not yet deployed		15,774		(4,140	)		-			11,634
Total intangibles	$	192,622	$	(64,756	)	$	(90,816	)	$	37,050

Amortization of Intangible Assets [Table Text Block]

	Three Months Ended
	April 30 , 201 6		May 2 , 201 5
Cost of revenue	$	2,053	$	2,006
Operating expenses		717		353
Total intangibles amortization expense	$	2,770	$	2,359

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Fiscal year	Total
2017 (remaining nine months)	$	6,729
2018		5,131
2019		3,213
2020		2,931
2021		1,588
Thereafter		4,276
Total	$	23,868