Business Combinations (Summary of Unaudited Pro Forma Financial Information) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition Pro Forma Information [Abstract]
Net revenues	$ 252,532	$ 311,503	$ 537,040	$ 644,435
Net income (loss)	$ 1,152	$ (62,134)	$ (7,622)	$ (95,972)
Net income (loss) per share - basic	$ 0.01	$ (0.58)	$ (0.07)	$ (0.90)
Net income (loss) per share - diluted	$ 0.01	$ (0.58)	$ (0.07)	$ (0.90)
Shares used in per share calculation - basic	113,621	107,425	112,931	106,690
Shares used in per share calculation - diluted	119,656	107,425	112,931	106,690

Business acquisition pro forma shares used in earnings per share calculation basic.

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- Definition

Business acquisition pro forma shares used in earnings per share calculation diluted.

+ References

No definition available.

+ Details

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- Definition

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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- References

No definition available.

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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