Pro-forma Consolidated Results of Operations (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Business Acquisition Pro Forma Information [Abstract]
Net revenues	$ 213,711	$ 204,764	$ 624,879	$ 614,927
Net earnings (loss)	$ 6,740	$ 7,349	$ 26,126	$ 21,609
Basic earnings per share	$ 0.11	$ 0.12	$ 0.43	$ 0.35
Diluted earnings per share	$ 0.11	$ 0.12	$ 0.42	$ 0.35

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.

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=56956515&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.

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- References

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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.

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

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