Balance Sheet Components - (Tables)

6 Months Ended

Aug. 02, 2020

Balance Sheet Components Disclosure [Abstract]

Inventory

Inventory consists of the following (in thousands):

	At the End of
	Fiscal 2020		Second Quarter of Fiscal 2021
Raw materials	$	2,974	$	3,647
Finished goods	35,544		32,716
Inventory	$	38,518	$	36,363

Property and Equipment, Net

Property and equipment, net consists of the following (in thousands):

	At the End of
	Fiscal 2020		Second Quarter of Fiscal 2021
Test equipment	$	205,555	$	222,682
Computer equipment and software	141,387		160,159
Furniture and fixtures	8,324		8,831
Leasehold improvements	40,356		42,568
Total property and equipment	395,622		434,240
Less: accumulated depreciation and amortization	(272,882)		(289,114)
Property and equipment, net	$	122,740	$	145,126

Intangible Assets, Net

Intangible assets, net consist of the following (in thousands):

	At the End of
	Fiscal 2020						Second Quarter of Fiscal 2021
	Gross Carrying Value		Accumulated Amortization		Net Carrying Amount		Gross Carrying Value		Accumulated Amortization		Net Carrying Amount
Technology patents	$	19,125	$	(8,933)	$	10,192	$	19,125	$	(10,327)	$	8,798
Developed technology	56,100		(8,035)		48,065		56,100		(12,043)		44,057
Intangible assets, net	$	75,225	$	(16,968)	$	58,257	$	75,225	$	(22,370)	$	52,855

Expected Amortization Expenses for Intangible Assets

At the end of the second quarter of fiscal 2021, future expected amortization expense for intangible assets is as follows (in thousands):

Fiscal Years Ending	Estimated Future Amortization Expense
Remainder of 2021	$	5,402
2022	9,846
2023	9,300
2024	9,300
2025	9,300
Thereafter	9,707
Total	$	52,855

Accrued Expenses and Other Liabilities

Accrued expenses and other liabilities consist of the following (in thousands):

	At the End of
	Fiscal 2020		Second Quarter of Fiscal 2021
Taxes payable	$	9,012	$	6,437
Accrued marketing	7,679		12,865
Accrued travel and entertainment expenses	3,829		909
Acquisition consideration	6,149		2,628
Other accrued liabilities	20,554		23,979
Total accrued expenses and other liabilities	$	47,223	$	46,818