Earnings Per Share - Computations of Basic and Diluted Earnings Per Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 28, 2013	Dec. 29, 2012
Earnings Per Share [Abstract]
Net income from continuing operations	$ 16,343	$ 12,867	$ 29,953	$ 24,372
Less: Income allocable to participating securities	(237)	(205)	(418)	(380)
Net income from continuing operations available to common stockholders	16,106	12,662	29,535	23,992
Net income (loss) from discontinued operations	(8,423)	354	(8,212)	743
Net income available to common stockholders	$ 7,683	$ 13,016	$ 21,323	$ 24,735
Basic earnings per share:
Weighted average shares outstanding, basic (in shares)	19,547,000	18,841,000	19,488,000	18,761,000
Basic earnings per common share from continuing operations (in dollars per share)	$ 0.82	$ 0.67	$ 1.52	$ 1.28
Basic earnings per common share from discontinued operations (in dollars per share)	$ (0.43)	$ 0.02	$ (0.42)	$ 0.04
Basic earnings per common share (in dollars per share)	$ 0.39	$ 0.69	$ 1.09	$ 1.32
Diluted earnings per share:
Weighted average shares outstanding, basic (in shares)	19,547,000	18,841,000	19,488,000	18,761,000
Weighted average effect of non-vested restricted stock grants and assumed exercise of stock options (in shares)	393,000	258,000	400,000	263,000
Weighted average shares outstanding, diluted (In shares)	19,940,000	19,099,000	19,888,000	19,024,000
Diluted earnings per common share from continuing operations (in dollars per share)	$ 0.81	$ 0.66	$ 1.49	$ 1.26
Diluted earnings per common share from discontinued operations (in dollars per share)	$ (0.42)	$ 0.02	$ (0.41)	$ 0.04
Diluted earnings per common share (in dollars per share)	$ 0.39	$ 0.68	$ 1.07	$ 1.30
Shares excluded from computation of diluted earnings per share (in shares)	156,000	592,000	111,000	541,000