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Represents the number of significant customers who exceeded the threshold in order to determine a concentration risk.

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Date of convertible debt retired.

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Represents the number of shares of common stock that the holder of the debt instrument would receive if the debt was converted to equity.

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Represents the maximum expected period to classify deferred revenue as current liabilities and deferred cost of revenue as current assets.

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Number of units reported by the entity.

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Represents the subsequent period within which the management of the entity does not believe that there will be any material changes in unrecognized tax benefits.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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-Publisher FASB
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-Section 50
-Paragraph 1
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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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The Company and its Significant Accounting Policies - Additional Information (Details) shares in Millions	12 Months Ended
	Jun. 30, 2018 USD ($) Item Customer segment shares	Jun. 30, 2017 USD ($) Customer	Jun. 30, 2016 USD ($) Customer	Aug. 31, 2017
Concentration Risk [Line Items]
Maximum expected period to classify deferred revenue as current liabilities and deferred costs of revenue as current assets	1 year
Capitalized development of software costs	$ 0
Number of operating segments \| segment	1
Number of reporting units \| segment	1
Impairment of goodwill	$ 0	$ 0	$ 0
Advertising expenses	400,000	$ 400,000	$ 300,000
Reduction in uncertain tax position due to lapse of various statutes of limitation	$ 10,000
Subsequent period within which no material changes in unrecognized tax benefits are expected	12 months
3.75% Convertible Notes
Concentration Risk [Line Items]
Interest rate (as a percent)	3.75%
Convertible debt maturity period	2022-08
3.75% Convertible
Concentration Risk [Line Items]
Interest rate (as a percent)	3.75%
Convertible debt maturity period	2016-08
3.50% Convertible Senior Notes
Concentration Risk [Line Items]
Interest rate (as a percent)	3.50%
Convertible debt maturity maturity date	Feb. 01, 2018
3.50% Series A Convertible Notes
Concentration Risk [Line Items]
Interest rate (as a percent)	3.50%
Convertible debt maturity maturity date	Feb. 01, 2018
3.75% Convertible Senior Notes due 2022
Concentration Risk [Line Items]
Interest rate (as a percent)	3.75%	3.75%		3.75%
Common stock not included in the calculation of potentially diluted shares \| shares	14.9
Stock options
Concentration Risk [Line Items]
Expiration period	10 years
Machinery and equipment
Concentration Risk [Line Items]
Period over which property and equipment are depreciated	5 years
Furniture and fixtures
Concentration Risk [Line Items]
Period over which property and equipment are depreciated	4 years
Computer and office equipment
Concentration Risk [Line Items]
Period over which property and equipment are depreciated	3 years
Computer Software
Concentration Risk [Line Items]
Period over which property and equipment are depreciated	3 years
Maximum
Concentration Risk [Line Items]
Estimated useful lives of purchased intangible assets	7 years
Minimum
Concentration Risk [Line Items]
Estimated useful lives of purchased intangible assets	1 year
Cash, cash equivalent and investments \| Investment concentration risk
Concentration Risk [Line Items]
Number of obligors or makers \| Item	1
Cash, cash equivalent and investments \| Investment concentration risk \| Maximum
Concentration Risk [Line Items]
Percentage of concentration risk	5.00%
Total net revenue \| Customer concentration risk
Concentration Risk [Line Items]
Percentage of concentration risk	10.00%	10.00%	10.00%
Total net revenue \| Customer concentration risk \| Minimum
Concentration Risk [Line Items]
Number of significant customers \| Customer	0	0	1
Total accounts receivable \| Credit concentration risk
Concentration Risk [Line Items]
Percentage of concentration risk		30.00%
Number of significant customers \| Customer	0	2
Total accounts receivable \| Credit concentration risk \| Minimum
Concentration Risk [Line Items]
Percentage of concentration risk	10.00%