Balance sheet components (Tables)

12 Months Ended

Sep. 28, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of changes in allowance for doubtful accounts

The following table summarizes changes in the allowance for doubtful accounts for fiscal 2019, 2018 and 2017:

	2019			2018			2017
(In thousands)
Beginning balance	$	872		$	804		$	726
Increases	1,034			635			449
Write-offs	(651		)	(567		)	(371		)
Ending balance	$	1,255		$	872		$	804

Summary of changes in allowance for sales incentives

The following table summarizes the changes in the allowance for sales incentives for fiscal 2019, 2018 and 2017:

	2019			2018			2017
(In thousands)
Beginning balance	$	11,754		$	11,195		$	8,913
Charged to revenue	87,703			90,246			65,879
Utilization of sales incentive allowance	(79,406		)	(89,687		)	(63,597		)
Ending balance	$	20,051		$	11,754		$	11,195

Schedule of inventories, net

Inventories, net, consist of the following:

	2019		2018
(In thousands)
Finished goods	$	207,723	$	176,181
Components	12,061		17,012
Inventories	$	219,784	$	193,193

Schedule of property and equipment

Depreciation is calculated using the straight-line method over the estimated useful lives of the related assets as follows:

Computer hardware and software	2-3 years
Furniture and fixtures	3-5 years
Tooling and production line test equipment	2-4 years
Leasehold improvements	2-10 years
Product displays	1-3 years

Property and equipment, net by country as of September 28, 2019 and September 29, 2018 were as follows:

	2019		2018
(In thousands)
United States	$	48,370	$	48,441
China	16,539		18,729
Other countries	13,230		18,201
Property and equipment, net	$	78,139	$	85,371

Property and equipment, net consist of the following:

	2019			2018
(In thousands)
Computer hardware and software	$	47,775		$	46,385
Furniture and fixtures	9,594			9,696
Tooling and production line test equipment	54,536			47,297
Leasehold improvements	58,944			53,962
Product displays	45,672			40,265
Total property and equipment	216,521			197,605
Accumulated depreciation and amortization	(138,382		)	(112,234		)
Property and equipment, net	$	78,139		$	85,371

Schedule of accrued expenses

Accrued expenses consisted of the following:

	2019		2018
(In thousands)
Accrued advertising and marketing	$	25,662	$	11,613
Accrued taxes	4,388		4,175
Accrued inventory	6,494		4,179
Accrued manufacturing, logistics and product development	14,783		8,290
Accrued general and administrative	12,455		3,322
Other accrued payables	6,074		7,108
Total accrued expenses	$	69,856	$	38,687

Summary of changes in deferred revenue

The following table summarizes the changes in the deferred revenue balances:

	2019			2018			2017
(In thousands)
Deferred revenue, beginning of period	$	50,967		$	45,567		$	36,160
Recognition of revenue included in beginning of period    deferred revenue	(11,934		)	(10,627		)	(6,878		)
Revenue deferred, net of revenue recognized on contracts    in the respective period	17,416			16,027			16,285
Deferred revenue, end of period	$	56,449		$	50,967		$	45,567

Schedule of expected recognition of deferred revenue

The Company expected the following recognition of deferred revenue as of September 28, 2019:

	For the fiscal years ending
(In thousands)	2020		2021		2022		2023		2024 and Beyond		Total
Revenue expected to be recognized	$	13,654	$	12,143	$	10,297	$	8,369	$	11,986	$	56,449

Schedule of other current liabilities

Other current liabilities consist of the following:

	September 28, 2019		September 29, 2018
(In thousands)
Reserve for returns	$	12,110	$	5,005
Product warranty liability	3,254		2,450
Other	2,184		3,403
Total other current liabilities	$	17,548	$	10,858

Schedule of warranty liability

The following table presents the changes in the Company’s warranty liability for the fiscal years ended September 28, 2019 and September 29, 2018:

	September 28, 2019			September 29, 2018
(In thousands)
Warranty liability, beginning of period	$	2,450		$	2,437
Provision for warranties issued during the period	12,795			10,678
Settlements of warranty claims during the period	(11,991		)	(10,665		)
Warranty liability, end of period	$	3,254		$	2,450