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Stockholders' Equity (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2016 USD ($) shares	Mar. 31, 2015 USD ($)	Mar. 31, 2016 USD ($) item shares	Mar. 31, 2015 USD ($) shares	Apr. 30, 2016 USD ($)
Share Repurchase Program
Number of shares repurchased | shares			1,201,402	116,431
Stock repurchased, authorized amount					$ 1,000
Value of shares repurchased			$ 73,400	$ 23,400
Number of repurchased shares authorized | shares	63,000		63,000
Number of share-based employee compensation plans | item			2
Stock-based compensation expense before taxes	$ 4,828	$ 6,057	$ 13,582	18,135
Less: related income tax benefit	(1,850)	(2,344)	(5,184)	(7,105)
Stock-based compensation expense, net of estimated taxes	2,978	3,713	$ 8,398	11,030
Stock-based compensation, other disclosures
Weighted-average period			1 year 9 months 18 days
Stock Options
Stock-based compensation, other disclosures
Unrecognized compensation cost	900		$ 900
Restricted stock and RSU
Stock-based compensation, other disclosures
Unrecognized compensation cost	16,600		16,600
Cost of good sold
Share Repurchase Program
Stock-based compensation expense before taxes	302	278	899	773
Selling, general and administrative
Share Repurchase Program
Stock-based compensation expense before taxes	4,456	5,718	12,475	17,206
Research and development
Share Repurchase Program
Stock-based compensation expense before taxes	$ 70	$ 61	$ 208	$ 156

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- Definition

The number of share-based compensation plans approved by the entity's shareholders.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
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The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Unrecognized cost of unvested share-based compensation awards.

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-Publisher FASB
-Name Accounting Standards Codification
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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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Amount of stock repurchase plan authorized.

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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