Significant Accounting Policies	9 Months Ended
Oct. 02, 2021
Significant Accounting Policies
Significant Accounting Policies	1. Significant Accounting Policies Basis of Presentation and Principles of Consolidation The Condensed Consolidated Financial Statements included herein are unaudited; however, they contain all normal recurring accruals and adjustments which, in the opinion of management, are necessary to present fairly the condensed consolidated financial position of Silicon Laboratories Inc. and its subsidiaries (collectively, the “Company”) at October 2, 2021 and January 2, 2021, the condensed consolidated results of its operations for the three and nine months ended October 2, 2021 and October 3, 2020, the Condensed Consolidated Statements of Comprehensive Income for the three and nine months ended October 2, 2021 and October 3, 2020, the Condensed Consolidated Statements of Changes in Stockholders’ Equity for the three and nine months ended October 2, 2021 and October 3, 2020, and the Condensed Consolidated Statements of Cash Flows for the nine months ended October 2, 2021 and October 3, 2020. All intercompany balances and transactions have been eliminated in consolidation. The condensed consolidated results of operations for the three and nine months ended October 2, 2021 are not necessarily indicative of the results to be expected for the full year. The accompanying unaudited Condensed Consolidated Financial Statements do not include certain footnotes and financial presentations normally required under U.S. generally accepted accounting principles (GAAP). Therefore, these Condensed Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements and notes thereto for the year ended January 2, 2021, included in the Company’s Form 10-K filed with the Securities and Exchange Commission (SEC) on February 3, 2021. The Company prepares financial statements on a 52- or 53-week fiscal year that ends on the Saturday closest to December 31. Fiscal 2021 will have 52 weeks. Fiscal 2020 had 53 weeks with the extra week occurring in the first quarter of the year. In a 52-week year, each fiscal quarter consists of 13 weeks. Use of Estimates The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Among the significant estimates affecting the financial statements are those related to inventories, goodwill, acquired intangible assets, other long-lived assets, revenue recognition, stock-based compensation and income taxes. Actual results could differ from those estimates, and such differences could be material to the financial statements. Revenue Recognition Revenue is recognized when control of the promised goods or services is transferred to the customer, in an amount that reflects the consideration the Company expects to be entitled to in exchange for those goods or services. Substantially all of the Company’s contracts with customers contain a single performance obligation, the sale of mixed-signal integrated circuit (IC) products. This performance obligation is satisfied when control of the product is transferred to the customer, which typically occurs upon delivery. Unsatisfied performance obligations primarily represent contracts for products with future delivery dates. The Company has opted to not disclose the amount of unsatisfied performance obligations as these contracts have original expected durations of less than one year. The transaction price reflects the Company’s expectations about the consideration it will be entitled to receive from the customer and may include fixed or variable amounts. Variable consideration primarily includes sales made to distributors under agreements allowing certain rights of return, referred to as stock rotation, and credits issued to the distributor due to price protection. The Company estimates variable consideration at the most likely amount to which it expects to be entitled. The estimate is based on information available to the Company, including recent sales activity and pricing data. The Company applies a constraint to its variable consideration estimate which considers both the likelihood of a return and the amount of a potential price concession. Variable consideration that does not meet revenue recognition criteria is deferred. The Company records a right of return asset in prepaid expenses and other current assets for the costs of distributor inventory not meeting revenue recognition criteria. A corresponding deferred revenue and returns liability amount is recorded for unrecognized revenue associated with such costs. The Company’s products carry a one-year replacement warranty. Payments are typically due within 30 days of invoicing and do not include a significant financing component. Recent Accounting Pronouncements In August 2020, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No. 2020-06, Debt—Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging— Contracts in Entity’s Own Equity (Subtopic 815-40). This ASU simplifies the accounting for certain convertible instruments, amends the guidance on derivative scope exceptions for contracts in an entity’s own equity and requires the use of the if-converted method for calculating diluted earnings per share. The ASU removes separation models for convertible debt with a cash conversion feature. Such convertible instruments will be accounted for as a single liability measured at amortized cost, as long as no other features require bifurcation and recognition as derivatives. This ASU is effective for fiscal years beginning after December 15, 2021, including interim periods within those fiscal years, using one of two retrospective transition methods. Early adoption is permitted for fiscal periods beginning after December 15, 2020. The Company expects the primary impacts of this new standard will be to increase the carrying value of its convertible debt by approximately $78.5 million, with an offsetting reduction in additional paid-in capital, and reduce its reported interest expense. In addition, should the Company be required to use the if-converted method for calculating diluted earnings per share, the number of shares used in such calculation could potentially increase. The Company will continue to evaluate the effect that the adoption of this ASU will have on its financial statements.

Significant Accounting Policies

9 Months Ended

Oct. 02, 2021

1. Significant Accounting Policies

Basis of Presentation and Principles of Consolidation

The Condensed Consolidated Financial Statements included herein are unaudited; however, they contain all normal recurring accruals and adjustments which, in the opinion of management, are necessary to present fairly the condensed consolidated financial position of Silicon Laboratories Inc. and its subsidiaries (collectively, the “Company”) at October 2, 2021 and January 2, 2021, the condensed consolidated results of its operations for the three and nine months ended October 2, 2021 and October 3, 2020, the Condensed Consolidated Statements of Comprehensive Income for the three and nine months ended October 2, 2021 and October 3, 2020, the Condensed Consolidated Statements of Changes in Stockholders’ Equity for the three and nine months ended October 2, 2021 and October 3, 2020, and the Condensed Consolidated Statements of Cash Flows for the nine months ended October 2, 2021 and October 3, 2020. All intercompany balances and transactions have been eliminated in consolidation. The condensed consolidated results of operations for the three and nine months ended October 2, 2021 are not necessarily indicative of the results to be expected for the full year.

The accompanying unaudited Condensed Consolidated Financial Statements do not include certain footnotes and financial presentations normally required under U.S. generally accepted accounting principles (GAAP). Therefore, these Condensed Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements and notes thereto for the year ended January 2, 2021, included in the Company’s Form 10-K filed with the Securities and Exchange Commission (SEC) on February 3, 2021.

The Company prepares financial statements on a 52- or 53-week fiscal year that ends on the Saturday closest to December 31. Fiscal 2021 will have 52 weeks. Fiscal 2020 had 53 weeks with the extra week occurring in the first quarter of the year. In a 52-week year, each fiscal quarter consists of 13 weeks.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Among the significant estimates affecting the financial statements are those related to inventories, goodwill, acquired intangible assets, other long-lived assets, revenue recognition, stock-based compensation and income taxes. Actual results could differ from those estimates, and such differences could be material to the financial statements.

Revenue Recognition

Revenue is recognized when control of the promised goods or services is transferred to the customer, in an amount that reflects the consideration the Company expects to be entitled to in exchange for those goods or services. Substantially all of the Company’s contracts with customers contain a single performance obligation, the sale of mixed-signal integrated circuit (IC) products. This performance obligation is satisfied when control of the product is transferred to the customer, which typically occurs upon delivery. Unsatisfied performance obligations primarily represent contracts for products with future delivery dates. The Company has opted to not disclose the amount of unsatisfied performance obligations as these contracts have original expected durations of less than one year.

The transaction price reflects the Company’s expectations about the consideration it will be entitled to receive from the customer and may include fixed or variable amounts. Variable consideration primarily includes sales made to distributors under agreements allowing certain rights of return, referred to as stock rotation, and credits issued to the distributor due to price protection. The Company estimates variable consideration at the most likely amount to which it expects to be entitled. The estimate is based on information available to the Company, including recent sales activity and pricing data. The Company applies a constraint to its variable consideration estimate which considers both the likelihood of a return and the amount of a potential price concession. Variable consideration that does not meet revenue recognition criteria is deferred. The Company records a right of return asset in prepaid expenses and other current assets for the costs of distributor inventory not meeting revenue recognition criteria. A corresponding deferred revenue and returns liability amount is recorded for unrecognized revenue associated with such costs. The Company’s products carry a one-year replacement warranty. Payments are typically due within 30 days of invoicing and do not include a significant financing component.

Recent Accounting Pronouncements

In August 2020, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No. 2020-06, Debt—Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging— Contracts in Entity’s Own Equity (Subtopic 815-40). This ASU simplifies the accounting for certain convertible instruments, amends the guidance on derivative scope exceptions for contracts in an entity’s own equity and requires the use of the if-converted method for calculating diluted earnings per share. The ASU removes separation models for convertible debt with a cash conversion feature. Such convertible instruments will be accounted for as a single liability measured at amortized cost, as long as no other features require bifurcation and recognition as derivatives. This ASU is effective for fiscal years beginning after December 15, 2021, including interim periods within those fiscal years, using one of two retrospective transition methods. Early adoption is permitted for fiscal periods beginning after December 15, 2020. The Company expects the primary impacts of this new standard will be to increase the carrying value of its convertible debt by approximately $78.5 million, with an offsetting reduction in additional paid-in capital, and reduce its reported interest expense. In addition, should the Company be required to use the if-converted method for calculating diluted earnings per share, the number of shares used in such calculation could potentially increase. The Company will continue to evaluate the effect that the adoption of this ASU will have on its financial statements.