Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 31, 2015	Jun. 30, 2014
Stockholders’ equity:
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000,000us-gaap_PreferredStockSharesAuthorized	10,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued
Preferred stock, shares outstanding	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000us-gaap_CommonStockSharesAuthorized	100,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	45,817,694us-gaap_CommonStockSharesIssued	45,417,397us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	44,056,542us-gaap_CommonStockSharesOutstanding	43,663,091us-gaap_CommonStockSharesOutstanding
Treasury stock, shares	1,761,152us-gaap_TreasuryStockShares	1,754,306us-gaap_TreasuryStockShares

Face amount or stated value per share of common stock.

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