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Description of Business and Summary of Significant Accounting Policies (Policies)
9 Months Ended
Apr. 02, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Basis of Presentation
Basis of Presentation
On August 1, 2015, Lumentum became an independent publicly-traded company through the distribution by JDSU to its stockholders of 80.1% of our outstanding common stock (the “Separation”). Each JDSU stockholder of record as of the close of business on July 27, 2015 received one share of Lumentum common stock for every five shares of JDSU common stock held on the record date. JDSU was renamed Viavi and at the time of the distribution retained ownership of 19.9% of Lumentum’s outstanding shares. Lumentum was incorporated in Delaware as a wholly owned subsidiary of Viavi on February 10, 2015 and is comprised of the former communications and commercial optical products (“CCOP”) segment and WaveReady product lines of Viavi. Lumentum’s Registration Statement on Form 10 was declared effective by the U.S. Securities and Exchange Commission (“SEC”) on July 16, 2015. Lumentum’s common stock began trading “regular-way” under the ticker “LITE” on the NASDAQ stock market on August 4, 2015.
On July 31, 2015, prior to the Separation, Viavi transferred substantially all of the assets and liabilities and operations of the CCOP segment and WaveReady product lines to Lumentum (the “Capitalization"). Financial statements for periods prior to the Capitalization were prepared on a stand-alone basis and were derived from Viavi’s consolidated financial statements and accounting records. For the period from June 28, 2015 to August 1, 2015, expenses were allocated to us using estimates that we consider to be a reasonable reflection of the utilization of services provided to, or benefits received by, us.
The preparation of the consolidated financial statements in accordance with GAAP in the United States requires management to make estimates and assumptions that affect the amounts reported in our consolidated financial statements and accompanying notes. Management bases its estimates on historical experience and various other assumptions believed to be reasonable. Although these estimates are based on management’s best knowledge of current events and actions that may impact the company in the future, actual results may be different from the estimates. Our critical accounting policies are those that affect our financial statements materially and involve difficult, subjective or complex judgments by management. Those policies are revenue recognition, inventory valuation, allocation methods and allocated expenses from Viavi, valuation of goodwill and other intangible assets, share-based compensation, retirement and post-retirement plan assumptions, restructuring, warranty and accounting for income taxes.
See "Note 3. Related Party Transactions" in the consolidated financial statements for further information regarding the relationships we had with Viavi and other Viavi entities.
Our consolidated financial statements have been prepared pursuant to the rules and regulations of the SEC and are in conformity with U.S. generally accepted accounting principles (“U.S. GAAP”). In the opinion of management, these consolidated financial statements reflect all adjustments, consisting only of normal recurring adjustments, which are necessary for a fair statement of the consolidated financial statements for the periods shown. The results of operations for such periods are not necessarily indicative of the results expected for the full year or for any future periods.
Fiscal Years
Fiscal Years
We utilize a 52-53 week fiscal year ending on the Saturday closest to June 30th. Our fiscal 2016 is a 53-week year ending on July 2, 2016 and our third quarter of fiscal 2016 included one additional week. Our fiscal 2015 ended on June 27, 2015 and was a 52-week year.
Principles of Consolidation
Principles of Consolidation
The consolidated financial statements include certain assets and liabilities that were historically held at the Viavi level which were specifically identifiable or otherwise attributable to us. All intra-company transactions within our business were eliminated. All material transactions between us and other businesses of Viavi prior to separation were reflected as net transfers to and from Viavi as a component of financing activities in the consolidated statement of cash flows.
Use of Estimates
Use of Estimates
The preparation of our consolidated financial statements in conformity with U.S. GAAP 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 revenue and expenses and the disclosure of commitments and contingencies during the reporting periods. We base estimates on historical experience and on various assumptions about the future believed to be reasonable based on available information. Our reported financial position 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 more current information.
Correction of Immaterial Error
Correction of Immaterial Error
During the three months ended April 2, 2016, we identified an error relating to stock-based compensation expense for the three months ended December 26, 2015 in which stock-based compensation expense of $1.0 million was excluded for a specific restricted stock grant. Additionally, we identified an error relating to the overstatement of sales and use tax accrual of $0.2 million and $0.3 million for the three months ended September 26, 2015 and December 26, 2015, respectively. During the three months ended December 26, 2015, we identified an error relating to the determination of the accretion amount of Series A preferred stock for the three months ended September 26, 2015 in which the accretion of the discount related to issuance cost of $2.0 million was excluded. As a result, our net loss attributable to common stockholders and basic and diluted net loss per share attributable to common stockholders included in our quarterly report on Form 10-Q ("Form 10-Q") for the three months ended September 26, 2015 was understated by $1.8 million and $0.03 per basic and diluted share, respectively. Our net income attributable to common stockholders and basic and diluted net income per share attributable to common stockholders included in Form 10-Q for the three months ended December 26, 2015 was understated by $1.3 million and $0.02 per basic and diluted share, respectively. The correction of the errors identified in the three months ended April 2, 2016 resulted in an overstatement of net loss per share attributable to common stockholders by $0.5 million and $0.01 per basic and diluted share.

We assessed the materiality of these errors and determined that the above errors were not material to our unaudited consolidated financial statements as of each of the periods mentioned above.
Recently Issued Accounting Pronouncements
In March 2016, the Financial Accounting Standards Board (“FASB”) issued guidance to clarify the two aspects of authoritative guidance related to the new revenue recognition guidance issued in May 2014: identifying performance obligations and the licensing implementation guidance. The effective date and transition requirements for the amendments in the guidance are the same as the effective date and transition requirements in the new revenue recognition guidance issued in May 2014. We are evaluating the impact of adopting this new accounting guidance on our consolidated financial statements.
In March 2016, the FASB issued guidance related to Compensation - Stock Compensation (“Topic 718”). This guidance makes several modifications to Topic 718 related to the accounting for forfeitures, employer tax withholding on share-based compensation and the financial statement presentation of excess tax benefits or deficiencies. It also clarifies the statement of cash flows presentation for certain components of share-based awards. The guidance is effective for us in the first quarter of fiscal 2017. Early adoption is permitted. We are evaluating the impact of adopting this new accounting guidance on our consolidated financial statements.
In February 2016, the FASB issued guidance, requiring lessees to recognize a right-of-use asset and a lease liability on the balance sheet for all leases with the exception of short-term leases. For lessees, leases will continue to be classified as either operating or finance leases in the income statement. Lessor accounting is similar to the current model but updated to align with certain changes to the lessee model. Lessors will continue to classify leases as operating, direct financing or sales-type leases. The guidance is effective for us in the first quarter of fiscal 2019. Early adoption is permitted. The new standard must be adopted using a modified retrospective transition and requires application of the new guidance at the beginning of the earliest comparative period presented. We are evaluating the impact of adopting this new accounting guidance on our consolidated financial statements.
In January 2016, the FASB issued guidance related to recognition and measurement of financial assets and financial liabilities. This guidance addresses certain aspects of recognition, measurement, presentation, and disclosure of financial statements. The guidance is effective for us in the first quarter of fiscal 2019. We are evaluating the impact of adopting this new accounting guidance on our consolidated financial statements.
In November 2015, the FASB issued guidance related to balance sheet classification of deferred taxes. This guidance will require that deferred tax liabilities and assets be classified as noncurrent in a classified statement of financial position. The guidance is effective for us in the first quarter of fiscal 2018. Earlier application is permitted as of the beginning of an interim or annual reporting period. We early adopted this guidance effective December 26, 2015 on a prospective basis. No prior periods were retrospectively adjusted. Refer to "Note 11. Income Taxes" for more information.
In July 2015, the FASB issued guidance to change the subsequent measurement of inventory from lower of cost or market to lower of cost and net realizable value. The guidance is effective for us in the first quarter of fiscal 2018. Earlier application is permitted as of the beginning of an interim or annual reporting period. We are evaluating the impact of adopting this new accounting guidance on our consolidated financial statements.
In May 2015, the FASB issued guidance to remove the requirement to categorize within the fair value hierarchy all investments for which fair value is measured using a net asset value per share practical expedient. The guidance is effective for us in the first quarter of fiscal 2017 and may apply to certain pension assets. The guidance will be applied retrospectively and earlier adoption is permitted. We are evaluating the impact of adopting this new accounting guidance on our consolidated financial statements.
In April 2015, the FASB issued new authoritative guidance to provide a practical expedient that permits the entity to measure defined benefit plan assets and obligations using the month-end that is closest to the entity’s fiscal year-end and apply that practical expedient consistently from year to year. This guidance is effective for us in the first quarter of fiscal 2017. Prospective application is required, and early adoption is permitted. We are evaluating the impact of adopting this new accounting guidance on our consolidated financial statements.
In May 2014, the FASB issued new authoritative guidance related to revenue recognition. This guidance will replace current U.S. GAAP guidance on this topic and eliminate industry-specific guidance. The new revenue recognition guidance provides a unified model to determine when and how revenue is recognized. The core principle is that a company should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration for which the entity expects to be entitled in exchange for those goods or services. This guidance allows for either full retrospective adoption or modified retrospective adoption. The FASB deferred the effective date for this guidance by one year to December 15, 2017 for annual reporting periods beginning after that. Earlier application of this guidance is permitted but not before the original date of December 15, 2016. We are evaluating the impact that this new accounting guidance will have on our consolidated financial statements and the related disclosures.