Net Earnings per Common Share - Reconciliation of Denominator Used for Each Period in Computing Basic and Diluted Earnings per Common Share (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014	Mar. 30, 2013
Numerator: (usd per share)
Net earnings	$ 2,561	$ 1,541	$ 13,438	$ 12,975
Denominator:
Weighted-average common shares outstanding (shares)	11,450	11,377	11,443	11,344
Effect of dilutive securities:
Stock options and RSUs (shares)	104	155	118	166
Weighted-average common shares outstanding, assuming dilution (shares)	11,554	11,532	11,561	11,510
Basic net earnings per common share (usd per share)	$ 0.22	$ 0.14	$ 1.17	$ 1.14
Diluted net earnings per common share (usd per share)	$ 0.22	$ 0.13	$ 1.16	$ 1.13