Basis of Presentation	3 Months Ended
Sep. 29, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Note 1. Basis of Presentation The financial information for Viavi Solutions Inc. (“VIAVI” also referred to as “the Company”, “we”, “our” and “us”) for the three months ended September 29, 2018 and September 30, 2017 is unaudited, and includes all normal and recurring adjustments Company management considers necessary for a fair statement of the financial information set forth herein. The accompanying consolidated financial statements are presented in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) for interim financial information and rules and regulations of the Securities and Exchange Commission (“SEC”). Accordingly, such information does not include all of the information and footnotes required by U.S. GAAP for annual consolidated financial statements. For further information, please refer to the consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended June 30, 2018. Other than updates to the Company’s revenue recognition policy under Accounting Standards Codification (“ASC”) 606 - Revenue from Contracts with Customers, as disclosed in “Note 2. Recently Issued Accounting Pronouncements” and “Note 3. Revenue”, there have been no material changes to the Company’s accounting policies during the three months ended September 29, 2018, as compared to the significant accounting policies presented in “Note 1. Basis of Presentation” of the Notes to the Consolidated Financial Statements included in the Company’s Annual Report for the year ended June 30, 2018 on Form 10-K filed with the SEC on August 28, 2018. The balance sheet as of June 30, 2018 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by U.S. GAAP for complete financial statements. The results for the three months ended September 29, 2018 and September 30, 2017 may not be indicative of results for the fiscal year ending June 29, 2019 or any future periods. Fiscal Years The Company utilizes a 52-53 week fiscal year ending on the Saturday closest to June 30th. The Company’s fiscal 2019 is a 52-week year ending on June 29, 2019. The Company’s fiscal 2018 was a 52-week year ending on June 30, 2018. Principles of Consolidation The consolidated financial statements include the Company and its wholly-owned subsidiaries. All inter-company accounts and transactions have been eliminated. Use of Estimates The preparation of the Company’s consolidated financial statements requires management to make estimates and assumptions that affect the reported amount of assets and liabilities at the date of the financial statements, the reported amount of net revenues and expenses and the disclosure of commitments and contingencies during the reporting periods. The Company bases estimates on historical experience and assumptions about future periods that are believed to be reasonable based on available information. The Company’s reported financial positions or results of operations may be materially different under changed conditions or when using different estimates and assumptions, particularly with respect to significant accounting policies. If estimates or assumptions differ from actual results, subsequent periods are adjusted to reflect readily available current information.

Note 1. Basis of Presentation

The financial information for Viavi Solutions Inc. (“VIAVI” also referred to as “the Company”, “we”, “our” and “us”) for the three months ended September 29, 2018 and September 30, 2017 is unaudited, and includes all normal and recurring adjustments Company management considers necessary for a fair statement of the financial information set forth herein. The accompanying consolidated financial statements are presented in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) for interim financial information and rules and regulations of the Securities and Exchange Commission (“SEC”). Accordingly, such information does not include all of the information and footnotes required by U.S. GAAP for annual consolidated financial statements. For further information, please refer to the consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended June 30, 2018.

Other than updates to the Company’s revenue recognition policy under Accounting Standards Codification (“ASC”) 606 - Revenue from Contracts with Customers, as disclosed in “Note 2. Recently Issued Accounting Pronouncements” and “Note 3. Revenue”, there have been no material changes to the Company’s accounting policies during the three months ended September 29, 2018, as compared to the significant accounting policies presented in “Note 1. Basis of Presentation” of the Notes to the Consolidated Financial Statements included in the Company’s Annual Report for the year ended June 30, 2018 on Form 10-K filed with the SEC on August 28, 2018.

The balance sheet as of June 30, 2018 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by U.S. GAAP for complete financial statements. The results for the three months ended September 29, 2018 and September 30, 2017 may not be indicative of results for the fiscal year ending June 29, 2019 or any future periods.

Fiscal Years

The Company utilizes a 52-53 week fiscal year ending on the Saturday closest to June 30th. The Company’s fiscal 2019 is a 52-week year ending on June 29, 2019. The Company’s fiscal 2018 was a 52-week year ending on June 30, 2018.

Principles of Consolidation

The consolidated financial statements include the Company and its wholly-owned subsidiaries. All inter-company accounts and transactions have been eliminated.

Use of Estimates

The preparation of the Company’s consolidated financial statements requires management to make estimates and assumptions that affect the reported amount of assets and liabilities at the date of the financial statements, the reported amount of net revenues and expenses and the disclosure of commitments and contingencies during the reporting periods. The Company bases estimates on historical experience and assumptions about future periods that are believed to be reasonable based on available information. The Company’s reported financial positions or results of operations may be materially different under changed conditions or when using different estimates and assumptions, particularly with respect to significant accounting policies. If estimates or assumptions differ from actual results, subsequent periods are adjusted to reflect readily available current information.