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Reconciliation of Denominators of Basic and Diluted Earnings Per Share Computations (Detail)
In Thousands, unless otherwise specified
3 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]    
Weighted-average shares outstanding used to compute basic earnings per share 72,763 79,575
Effect of dilutive common stock equivalents 3,323 2,223
Weighted-average shares outstanding and dilutive securities used to compute dilutive earnings per share 76,086 81,798