Nature of Business and Summary of Significant Accounting Policies - Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Jun. 30, 2014
Intangible Assets by Major Class [Line Items]
Intangible assets, cost	$ 16,040	$ 16,040
Finite-lived intangible assets, accumulated amortization	(6,988)	(6,488)
Finite-lived intangible assets, net	9,052us-gaap_FiniteLivedIntangibleAssetsNet	9,552us-gaap_FiniteLivedIntangibleAssetsNet
Customer relationships [Member]
Intangible Assets by Major Class [Line Items]
Intangible assets, cost	9,800	9,800
Finite-lived intangible assets, accumulated amortization	(6,666)	(6,203)
Finite-lived intangible assets, net	3,134	3,597
Non-compete agreement [Member]
Intangible Assets by Major Class [Line Items]
Intangible assets, cost	340	340
Finite-lived intangible assets, accumulated amortization	(322)	(285)
Finite-lived intangible assets, net	18	55
Trade Name [Member]
Intangible Assets by Major Class [Line Items]
Intangible assets, cost	5,900	5,900
Finite-lived intangible assets, accumulated amortization	0	0
Finite-lived intangible assets, net	$ 5,900	$ 5,900

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Amount before accumulated amortization of intangible assets, excluding goodwill.

+ References

No definition available.

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