Summary of Significant Accounting Policies (Schedule of Reconciliation of Weighted Average Shares Outstanding and Diluted Weighted Average Shares Outstanding) (Detail) - shares shares in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Accounting Policies [Abstract]
Weighted average shares outstanding	28,731	28,001	27,050
Dilutive effect of stock options and restricted stock awards and units	516	562	400
Diluted weighted average shares outstanding	29,247	28,563	27,450