Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2016	Jun. 30, 2015
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 1,049	$ 896
Preferred stock, par value	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	107,457,576	105,840,586
Treasury stock, shares	4,009,837	3,229,342