Operating Segments - Depreciation and amortization (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 8,800	$ 6,903	$ 5,508
Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	6,382	4,710	3,646
Reconciling Items
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 2,418	$ 2,193	$ 1,862

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Name:	us-gaap_DepreciationDepletionAndAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration