Earnings Per Share - Computations of Basic and Diluted Earnings Per Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Sep. 28, 2013	Sep. 29, 2012
Basic earnings per share:
Net income	$ 13,821	$ 11,894
Less: Income allocable to participating securities	(181)	(175)
Net income available to common stockholders	13,640	11,719
Weighted average shares outstanding, basic (in shares)	19,429,000	18,681,000
Basic earnings per common share (in dollars per share)	$ 0.70	$ 0.63
Diluted earnings per share:
Net income available to common stockholders	$ 13,640	$ 11,719
Weighted average shares outstanding, basic (in shares)	19,429,000	18,681,000
Weighted average effect of non-vested restricted stock grants and assumed exercise of stock options (in shares)	407,000	268,000
Weighted average shares outstanding, diluted (In shares)	19,836,000	18,949,000
Diluted earnings per common share (in dollars per share)	$ 0.69	$ 0.62
Shares excluded from computation of diluted earnings per share (in shares)	94,000	537,000