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Earnings Per Common Share - Weighted Average Shares Outstanding Used in Computing Basic and Diluted Earnings Per Share (Detail)	3 Months Ended		9 Months Ended
	Mar. 26, 2015	Mar. 27, 2014	Mar. 26, 2015	Mar. 27, 2014
Weighted Average Shares Outstanding [Abstract]
Weighted average number of shares outstanding - basic	11,183,505us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	11,073,669us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	11,137,260us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	11,016,926us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Effect of dilutive securities:
Stock options and restricted stock units	91,277us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment	82,560us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment	94,178us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment	99,565us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment
Weighted average number of shares outstanding - diluted	11,274,782us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	11,156,229us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	11,231,438us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	11,116,491us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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- Definition

The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- 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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 45

-Paragraph 16

-URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1505-109256

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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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 45

-Paragraph 10

-URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1448-109256



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Weighted-Average Number of Common Shares Outstanding

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

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