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Summary of Significant Accounting Policies | 9 Months Ended
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Mar. 31, 2018
Accounting Policies [Abstract] |
Summary of Significant Accounting Policies |
3. | Summary of Significant Accounting Policies
For a description of significant accounting policies, see Note 3, Summary of Significant Accounting Policies, to the consolidated financial statements included in the Company’s Annual Report on Form 10-K for the fiscal year ended June 30, 2017. Except for the following policies, there have been no material changes to the Company’s significant accounting policies since the filing of the Annual Report on Form 10-K. Revenue Recognition The Company accounts for revenue in accordance with Topic 606, Revenue from Contracts with Customers, which the Company adopted on July 1, 2017, using the retrospective method. The Company derives the majority of its revenue from sales of its networking equipment, with the remaining revenue generated from service fees relating to maintenance contracts, professional services, and training for its products. The Company sells its products and maintenance contracts direct to customers and to partners in two distribution channels, or tiers. The first tier consists of a limited number of independent distributors that stock its products and sell primarily to resellers. The second tier of the distribution channel consists of a non-stocking distributors and value-added resellers that sell directly to end-users. Products and services may be sold separately or in bundled packages. The Company considers customer purchase orders, which in some cases are governed by master sales agreements, to be the contracts with a customer. For each contract, the Company considers the promise to transfer products and services, each of which are distinct, to be the identified performance obligations. In determining the transaction price the Company evaluates whether the price is subject to refund or adjustment to determine the net consideration to which the Company expects to be entitled. For all of the Company’s sales and distribution channels, revenue is recognized when control of the product is transferred to the customer (i.e., when the Company’s performance obligation is satisfied), which typically occurs at shipment for product sales. Revenue from maintenance contracts is recognized over time as the Company’s performance obligations are satisfied. This is typically the contractual service period, which ranges from one to three years. For product sales to value-added resellers of the Company, non-stocking distributors and end-user customers, the Company generally does not grant return privileges, except for defective products during the warranty period, nor does the Company grant pricing credits. Sales incentives and other programs that the Company may make available to these customers are considered to be a form of variable consideration and the Company maintains estimated accruals and allowances using the expected value method. There were no material changes in the current period to the estimated transaction price for performance obligations which were satisfied or partially satisfied during previous periods. Sales to stocking distributors are made under terms allowing certain price adjustments and limited rights of return (known as “stock rotation”) of the Company’s products held in their inventory. Revenue from sales to distributors is recognized upon the transfer of control to the distributor. Frequently, distributors need to sell at a price lower than the contractual distribution price in order to win business, and submit rebate requests for Company pre-approval prior to selling the product through at the discounted price. At the time the distributor invoices its customer or soon thereafter, the distributor submits a rebate claim to the Company to adjust the distributor’s cost from the contractual price to the pre-approved lower price. After the Company verifies that the claim was pre-approved, a credit memo is issued to the distributor for the rebate claim. In determining the transaction price, the Company considers these rebate adjustments to be variable consideration. Such price adjustments are estimated using the expected value method based on an analysis of actual claims, at the distributor level over a period of time considered adequate to account for current pricing and business trends. Stock rotation rights grant the distributor the ability to return certain specified amounts of inventory. Stock rotation adjustments are an additional form of variable consideration and are also estimated using the expected value method based on historical return rates. There were no material changes in the current period to the estimated variable consideration for performance obligations which were satisfied or partially satisfied during previous periods. Performance Obligations. A performance obligation is a promise in a contract to transfer a distinct good or service to the customer, and is the unit of account in Topic 606. A contract’s transaction price is allocated to each distinct performance obligation and recognized as revenue when, or as, the performance obligation is satisfied. Certain of the Company’s contracts have multiple performance obligations, as the promise to transfer individual goods or services is separately identifiable from other promises in the contracts and, therefore, is distinct. For contracts with multiple performance obligations, the Company allocates the contract’s transaction price to each performance obligation based on its relative standalone selling price. The stand-alone selling prices are determined based on the prices at which the Company separately sells these products. For items that are not sold separately, the Company estimates the stand-alone selling prices using the best estimated selling price approach. The Company’s performance obligations are satisfied at a point in time or over time as work progresses. Substantially all of the Company’s product sales revenues as reflected on the condensed consolidated statements of operations for the three and nine months ended March 31, 2018 and 2017 are recognized at a point in time. Substantially all of the Company’s service revenue is recognized over time. For revenue recognized over time, the Company uses an input measure, days elapsed, to measure progress. On March 31, 2018, the Company had $156.6 million of remaining performance obligations, which is comprised of deferred maintenance revenue and services not yet delivered. The Company expects to recognize approximately 33 percent of its remaining performance obligations as revenue in fiscal 2018, an additional 48 percent in fiscal 2019 and 19 percent of the balance thereafter. Contract Balances. The timing of revenue recognition, billings and cash collections results in billed accounts receivable and deferred revenue in the consolidated balance sheet. Services provided under renewable support arrangements of the Company are billed in accordance with agreed-upon contractual terms, which are typically at periodic intervals (e.g., quarterly or annually). The Company sometimes receives payments from its customers in advance of services being provided, resulting in deferred revenues. These liabilities are reported on the consolidated balance sheet on a contract-by-contract basis at the end of each reporting period. Revenue recognized for the nine months ended March 31, 2018 and 2017, that was included in the deferred revenue balance at the beginning of each period was $66.7 million and $61.4 million, respectively. Revenue recognized for the three months ended March 31, 2018 and 2017 that was included in the deferred revenue balance at the beginning of each period was $50.6 million and $31.3 million, respectively. Contract Costs. The Company recognizes the incremental costs of obtaining contracts as an expense when incurred if the amortization period of the assets that the Company otherwise would have recognized is one year or less. Management expects that commission fees paid to sales representative as a result of obtaining service contracts and contract renewals are recoverable and therefore the Company capitalized them as contract costs in the amount of $3.1 million and $2.5 million at March 31, 2018 and June 30, 2017, respectively. Capitalized commission fees are amortized on a straight-line basis over the average period of service contracts of approximately three years, and are included in “Sales and marketing” in the accompanying condensed consolidated statements of operations. Amortization recognized during the three months ended March 31, 2018 and 2017, was $0.5 million and $0.4 million, respectively. Amortization recognized during the nine months ended March 31, 2018 and 2017 was $1.4 million and $1.1 million, respectively. There was no impairment loss in relation to the costs capitalized. Revenue by Category: The following table sets forth the Company’s revenue disaggregated by sales channel and geographic region based on the customer’s ship-to locations (in thousands, unaudited):
|  | Three Months Ended |
|  | March 31, 2018 |  |  | March 31, 2017 |
|  |  |  |  |  |  |  |  |  |  |  | (As adjusted) |
|  | Distributor |  | Direct |  | Total |  |  | Distributor |  | Direct |  | Total |
Americas: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 76,392 |  | $ | 56,929 |  | $ | 133,321 |  |  | $ | 31,972 |  | $ | 47,367 |  | $ | 79,339 |
Other |  |  | 4,288 |  |  | 6,165 |  |  | 10,453 |  |  |  | 1,559 |  |  | 1,901 |  |  | 3,460 |
Total Americas |  |  | 80,680 |  |  | 63,094 |  |  | 143,774 |  |  |  | 33,531 |  |  | 49,268 |  |  | 82,799 |
EMEA: |  |  | 58,668 |  |  | 36,120 |  |  | 94,788 |  |  |  | 32,090 |  |  | 20,136 |  |  | 52,226 |
APAC: |  |  | 3,085 |  |  | 20,357 |  |  | 23,442 |  |  |  | 2,399 |  |  | 11,772 |  |  | 14,171 |
Total net revenues |  | $ | 142,433 |  | $ | 119,571 |  | $ | 262,004 |  |  | $ | 68,020 |  | $ | 81,176 |  | $ | 149,196 |
|  | Nine Months Ended |
|  | March 31, 2018 |  |  | March 31, 2017 |
|  |  |  |  |  |  |  |  |  |  |  | (As adjusted) |
|  | Distributor |  | Direct |  | Total |  |  | Distributor |  | Direct |  | Total |
Americas: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 181,415 |  | $ | 160,484 |  | $ | 341,899 |  |  | $ | 98,026 |  | $ | 112,592 |  | $ | 210,618 |
Other |  |  | 13,417 |  |  | 20,252 |  |  | 33,669 |  |  |  | 5,779 |  |  | 14,772 |  |  | 20,551 |
Total Americas |  |  | 194,832 |  |  | 180,736 |  |  | 375,568 |  |  |  | 103,805 |  |  | 127,364 |  |  | 231,169 |
EMEA: |  |  | 165,856 |  |  | 97,647 |  |  | 263,503 |  |  |  | 99,459 |  |  | 61,026 |  |  | 160,485 |
APAC: |  |  | 11,480 |  |  | 54,291 |  |  | 65,771 |  |  |  | 5,464 |  |  | 31,059 |  |  | 36,523 |
Total net revenues |  | $ | 372,168 |  | $ | 332,674 |  | $ | 704,842 |  |  | $ | 208,728 |  | $ | 219,449 |  | $ | 428,177 |
Business Combinations The Company applies the acquisition method of accounting for business combinations. Under this method of accounting, all assets acquired and liabilities assumed are recorded at their respective fair values at the date of the completion of the transaction. Determining the fair value of assets acquired and liabilities assumed requires management’s judgment and often involves the use of significant estimates and assumptions, including assumptions with respect to future cash inflows and outflows, discount rates, intangibles and other asset lives, among other items. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date (an exit price). Market participants are assumed to be buyers and sellers in the principal (most advantageous) market for the asset or liability. Additionally, fair value measurements for an asset assume the highest and best use of that asset by market participants. As a result, we may have been required to value the acquired assets at fair value measures that do not reflect its intended use of those assets. Use of different estimates and judgments could yield different results. Any excess of the purchase price over the fair value of the net assets acquired is recognized as goodwill. If the fair value of net assets acquired exceeds the fair value of purchase price, a gain on bargain purchase is recognized in the statements of operations. Although we believe the assumptions and estimates we have made are reasonable and appropriate, they are based in part on historical experience and information that may be obtained from the management of the acquired company and are inherently uncertain. Unanticipated events and circumstances may occur that may affect the accuracy or validity of such assumptions, estimates or actual results. As a result, during the measurement period, which may be up to one year from the acquisition date, we may record adjustments to the assets acquired and liabilities assumed with the corresponding offset to goodwill. Upon the conclusion of the measurement period or final determination of the values of assets acquired or liabilities assumed, whichever comes first, any subsequent adjustments are recorded to our consolidated statements of operations.

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