Earnings Per Share - Computations of Basic and Diluted Earnings Per Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 28, 2015	Mar. 29, 2014	Mar. 28, 2015	Mar. 29, 2014
Earnings Per Share [Abstract]
Net income from continuing operations	$ 12,429	$ 10,391	$ 45,750	$ 40,344
Less: Income allocable to participating securities	(235)	(142)	(771)	(560)
Net income from continuing operations available to common stockholders	12,194	10,249	44,979	39,784
Net loss from discontinued operations	0	(181)	0	(8,393)
Net income available to common stockholders	$ 12,194	$ 10,068	$ 44,979	$ 31,391
Basic earnings per share (shares in thousands):
Weighted average shares outstanding, basic	19,679,000	19,657,000	19,653,000	19,545,000
Basic earnings per common share from continuing operations (in dollars per share)	$ 0.62	$ 0.52	$ 2.29	$ 2.04
Basic earnings per common share from discontinued operations (in dollars per share)	$ 0.00	$ (0.01)	$ 0.00	$ (0.43)
Basic earnings per share	$ 0.62	$ 0.51	$ 2.29	$ 1.61
Diluted earnings per share (shares in thousands):
Weighted average shares outstanding, basic	19,679,000	19,657,000	19,653,000	19,545,000
Weighted average effect of non-vested restricted stock grants and assumed exercise of stock options	395,000	339,000	384,000	379,000
Weighted average shares outstanding, diluted	20,074,000	19,996,000	20,037,000	19,924,000
Diluted earnings per common share from continuing operations (in dollars per share)	$ 0.61	$ 0.51	$ 2.24	$ 2.00
Diluted earnings per common share from discontinued operations (in dollars per share)	$ 0.00	$ (0.01)	$ 0.00	$ (0.42)
Diluted earnings per share	$ 0.61	$ 0.50	$ 2.24	$ 1.58
Shares excluded from computation of diluted earnings per share (in shares)	4,000	109,000	80,000	128,000