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Retirement Plan - Components of Actuarial Loss Portion of Change in Projected Benefit Obligation (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 25, 2015	Jun. 26, 2014
Schedule Of Actuarial Gain Loss In Projected Benefit Obligation [Abstract]
Change in assumed pay increases	$ 68	$ 342	$ (85)
Change in discount rate	3,509	(801)	1,084
Change in mortality assumptions	(132)	2,150	0
Change in bonus assumption	0	1,191	474
Other	128	257	(19)
Actuarial loss	$ 3,573	$ 3,139	$ 1,454

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Change In Assumed Pay Increases Impacting Actuarial Gain Loss

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- Definition

Change In Bonus Assumption Impacting Actuarial Gain (Loss)

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- Definition

Change In Discount Rate Impacting Actuarial Gain Loss

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Change in mortality assumption impacting actuarial gain (loss).

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Schedule of actuarial gain loss in projected benefit obligation.

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Amount of gain (loss) related to change in benefit obligation resulting from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover, salary, and temporary deviation from the substantive plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Gain or Loss
-URI http://asc.fasb.org/extlink&oid=49168827

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)(4)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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Changes in the defined benefit obligation, not otherwise separately disclosed in the financial statements.

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