Balance Sheet Components - Accrued Liabilities (Details) - USD ($) $ in Thousands	Apr. 04, 2020	Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accrued sales incentives	$ 117,428	$ 156,839
Sales returns reserve	77,241	101,326
Product warranty	48,851	52,403
Employee-related liabilities	23,282	37,355
Accrued manufacturing expense and freight	18,972	35,112
Accrued research and development	18,470	19,232
Accrued co-op advertising and marketing development funds	17,880	40,689
Accrued legal settlements and fees	14,041	8,854
Accrued sales and marketing	11,640	26,781
Sales taxes and VAT payable	10,218	19,603
Inventory received but not billed	5,493	1,669
Finance lease liabilities	1,384	1,384
Derivative liabilities	10	748
Other	11,620	11,535
Accrued liabilities	$ 376,530	$ 513,530

Accrued Advertising And Marketing Costs, Current

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- Definition

Accrued Inventory Received Not Billed, Current

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- Definition

Accrued Manufacturing Expense And Freight, Current

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Accrued Research and Development

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- Definition

Accrued Revenue Reserve

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- Definition

Accrued Sales Incentives, Current

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No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for the marketing, trade and selling of the entity's goods and services. Marketing costs would include expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services; costs of public relations and corporate promotions; and obligations incurred and payable for sales discounts, rebates, price protection programs, etc. offered to customers and under government programs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

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Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of liabilities incurred through that date and payable for statutory sales and use taxes, including value added tax. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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