Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jan. 01, 2017		Dec. 27, 2015	Jan. 01, 2017		Dec. 27, 2015
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance				$ 37,673		$ 26,859
Other comprehensive loss before reclassifications				5,031		3,355
Other comprehensive loss before reclassifications, income tax				0
Net other comprehensive loss before Reclassifications				5,031		3,355
Reclassifications:
Prior service credits				376		376
Unrecognized net loss				(1,883)		(1,530)
Total reclassifications before tax				(1,507)		(1,154)
Reclassifications, income tax				558		426
Net reclassifications				(949)		(728)
Other comprehensive loss (income)	$ 2,934		$ 124	4,082		2,627
Other comprehensive loss attributable to non- controlling interest				1,003		190
Ending balance	40,752	[1]	29,296	40,752	[1]	29,296
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance				13,155		8,221
Other comprehensive loss before reclassifications				5,031		3,355
Other comprehensive loss before reclassifications, income tax				0
Net other comprehensive loss before Reclassifications				5,031		3,355
Reclassifications:
Other comprehensive loss (income)				5,031		3,355
Other comprehensive loss attributable to non- controlling interest				1,003		190
Ending balance	17,183		11,386	17,183		11,386
Retirement and Postretirement Benefit Plans
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance				24,518		18,638
Other comprehensive loss before reclassifications, income tax				0
Reclassifications:
Prior service credits				376		376
Unrecognized net loss				(1,883)		(1,530)
Total reclassifications before tax				(1,507)		(1,154)
Reclassifications, income tax				558		426
Net reclassifications				(949)		(728)
Other comprehensive loss (income)				(949)		(728)
Ending balance	$ 23,569		$ 17,910	$ 23,569		$ 17,910

[1] (Unaudited)