Retirement Plans and Postretirement Costs (Details 1) $ in Thousands	12 Months Ended
Jul. 02, 2017 USD ($)
Pension and SERP Benefits
Amounts Included in Accumulated Other Comprehensive Loss, Net of Tax
Prior service cost (credit)	$ 7
Net actuarial loss	1,282
Total	1,289
Postretirement
Amounts Included in Accumulated Other Comprehensive Loss, Net of Tax
Prior service cost (credit)	(481)
Net actuarial loss	302
Total	$ (179)

Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation).

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration