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	6 Months Ended
Dec. 28, 2013	Dec. 29, 2012	Dec. 28, 2013	Dec. 29, 2012
Numerator: (usd per share)
Net earnings	$ 6,114	$ 5,301	$ 10,877	$ 11,435
Denominator:
Weighted-average common shares outstanding (shares)	11,484	11,372	11,440	11,327
Effect of dilutive securities:
Stock options and RSUs (shares)	83	192	101	199
Weighted-average common shares outstanding, assuming dilution (shares)	11,567	11,564	11,541	11,526
Basic net earnings per common share (usd per share)	$ 0.53	$ 0.47	$ 0.95	$ 1.01
Diluted net earnings per common share (usd per share)	$ 0.53	$ 0.46	$ 0.94	$ 0.99

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

6 Months Ended

Dec. 28, 2013

Dec. 29, 2012

Dec. 28, 2013

Dec. 29, 2012

Numerator: (usd per share)

Net earnings

$ 6,114

$ 5,301

$ 10,877

$ 11,435

Denominator:

Weighted-average common shares outstanding (shares)

11,484

11,372

11,440

11,327

Effect of dilutive securities:

Stock options and RSUs (shares)

192

101

199

Weighted-average common shares outstanding, assuming dilution (shares)

11,567

11,564

11,541

11,526

Basic net earnings per common share (usd per share)

$ 0.53

$ 0.47

$ 0.95

$ 1.01

Diluted net earnings per common share (usd per share)

$ 0.53

$ 0.46

$ 0.94

$ 0.99

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References

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+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-URI http://asc.fasb.org/extlink&oid=6519514

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+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References+ Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Glossary Weighted-Average Number of Common Shares Outstanding

-URI http://asc.fasb.org/extlink&oid=6528421

+ Details