Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 27, 2015	Dec. 28, 2014	Dec. 27, 2015	Dec. 28, 2014
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance			$ 26,859	$ 20,198
Other comprehensive loss before reclassifications			3,355	3,442
Retirement and Postretirement Plan Reclassification Adjustment, Income Tax Amount			0
Net other comprehensive loss before reclassifications			3,355	3,442
Reclassifications:
Prior service credits			376	376
Actuarial gains/Unrecognized net loss			(1,530)	(1,734)
Total reclassifications before tax			(1,154)	(1,358)
Retirement and Postretirement Plans Reclassifications, Income Tax			426	502
Net reclassifications			(728)	(856)
Other comprehensive loss (income)	$ 124	$ 2,162	2,627	2,586
Other comprehensive loss attributable to non-controlling interest			190	222
Ending balance	29,296	22,562	29,296	22,562
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance			8,221	3,411
Other comprehensive loss before reclassifications			3,355	3,442
Retirement and Postretirement Plan Reclassification Adjustment, Income Tax Amount			0
Net other comprehensive loss before reclassifications			3,355	3,442
Reclassifications:
Other comprehensive loss (income)			3,355	3,442
Other comprehensive loss attributable to non-controlling interest			190	222
Ending balance	11,386	6,631	11,386	6,631
Retirement and Postretirement Benefit Plans
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance			18,638	16,787
Retirement and Postretirement Plan Reclassification Adjustment, Income Tax Amount			0
Reclassifications:
Prior service credits			376	376
Actuarial gains/Unrecognized net loss			(1,530)	(1,734)
Total reclassifications before tax			(1,154)	(1,358)
Retirement and Postretirement Plans Reclassifications, Income Tax			426	502
Net reclassifications			(728)	(856)
Other comprehensive loss (income)			(728)	(856)
Ending balance	$ 17,910	$ 15,931	$ 17,910	$ 15,931