Pension and Other Postretirement Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Dec. 26, 2014	Dec. 27, 2013	Dec. 26, 2014	Dec. 27, 2013
Components of Net Periodic Benefit Cost [Abstract]
Benefit plan adjustments reclassified from accumulated other comprehensive loss	$ 515	$ 528	$ 1,003	$ 978
Tax on reclassified benefit plan adjustments from accumulated other comprehensive loss	305	354	595	706
Pension Benefits [Member]
Components of Net Periodic Benefit Cost [Abstract]
Service cost	120	135	239	267
Interest cost	1,224	1,356	2,446	2,711
Expected return on plan assets	(1,683)	(1,648)	(3,364)	(3,294)
Amortization of transition obligation	10	19	19	38
Amortization of net actuarial loss	609	714	1,218	1,427
Net periodic benefit cost	280	576	558	1,149
Expected contributions to its pension plan in 2015			6,172
Contributions made during period			4,506
Postretirement Benefits [Member]
Components of Net Periodic Benefit Cost [Abstract]
Service cost	7	9	15	19
Interest cost	145	164	290	329
Amortization of net actuarial loss	159	151	318	301
Net periodic benefit cost	$ 311	$ 324	$ 623	$ 649

The amount of gains or losses recognized in net periodic benefit cost.

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The amount of the transition obligation or asset recognized in net periodic benefit cost.

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The increase in the fair value of plan assets from contributions made by the employer.

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An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Glossary Expected Return on Plan Assets

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-Name Accounting Standards Codification

-Topic 715

-SubTopic 60

-Glossary Expected Return on Plan Assets

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-SubTopic 20

-Section 50

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-Subparagraph (h)(3)

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The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

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- Definition

The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

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-Paragraph 1

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-Glossary Service Cost (Component of Net Periodic Pension Cost)

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Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

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- Definition

Amount after tax of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans.

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

-Publisher FASB

-Name Accounting Standards Codification

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Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans.

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