Earnings Per Share - Computations of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 26, 2015	Sep. 27, 2014
Earnings Per Share [Abstract]
Net income	$ 16,263	$ 16,368
Less: Income allocable to participating securities	(227)	(233)
Net income available to common stockholders	$ 16,036	$ 16,135
Basic earnings per share:
Weighted average shares outstanding, basic (in shares)	19,727	19,628
Basic earnings per common share from continuing operations (in dollars per share)	$ 0.81	$ 0.82
Diluted earnings per share:
Weighted average shares outstanding, basic (in shares)	19,727	19,628
Weighted average effect of non-vested restricted stock grants and assumed exercise of stock options (in shares)	274	371
Weighted average shares outstanding, diluted (In shares)	20,001	19,999
Diluted earnings per common share from continuing operations (in dollars per share)	$ 0.80	$ 0.81
Shares excluded from computation of diluted earnings per share (in shares)	125	246