Goodwill and Acquired Intangible Assets, Net (Tables)

12 Months Ended

Feb. 03, 2018

The carrying amounts of acquired intangible assets are as follows (in thousands):



		February 3, 2018							January 28, 2017
	Range of Useful Lives	Gross Carrying Amounts		Accumulated Amortization and Write-Offs			Net Carrying Amounts		Gross Carrying Amounts		Accumulated Amortization and Write-Offs			Net Carrying Amounts
Total acquired intangible assets from continuing operations, net:
Purchased and core technology	4 - 8 years	$	25,798	$	(25,798	)	$	—	$	25,798	$	(22,227	)	$	3,571