Segment Information (Details) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 27, 2016 USD ($) segment	Mar. 29, 2015 USD ($)	Mar. 27, 2016 USD ($)	Mar. 29, 2015 USD ($)
Segment information
Reportable business segments \| segment	4
Sales	$ 26,501	$ 27,864	$ 76,018	$ 83,668
Operating costs	24,516	25,351	71,874	76,159
Segment operating income (loss):	785	1,733	1,365	4,498
Other non-operating (expense) income	(23)	128	71	117
Interest expense, net	(1,107)	(1,466)	(3,374)	(3,600)
Non-operating expense	(1,130)	(1,338)	(3,303)	(3,483)
Consolidated (loss) income before income taxes and non-controlling interest	(345)	395	(1,938)	1,015
Corporate
Segment information
Segment operating income (loss):	(1,200)	(780)	(2,779)	(3,011)
Precision Components Group \| Total segments
Segment information
Sales	19,059	21,348	55,291	65,124
Operating costs	16,855	18,649	51,013	56,952
Segment operating income (loss):	2,204	2,699	4,278	8,172
3DMT Group \| Total segments
Segment information
Sales	5,701	4,675	15,905	12,526
Operating costs	6,142	5,034	16,643	13,695
Segment operating income (loss):	(441)	(359)	(738)	(1,169)
Flanges and Fittings Group \| Total segments
Segment information
Sales	1,244	1,366	3,565	4,411
Operating costs	1,115	1,251	3,187	3,925
Segment operating income (loss):	129	115	378	486
Wireless Group \| Total segments
Segment information
Sales	497	475	1,257	1,607
Operating costs	404	417	1,031	1,587
Segment operating income (loss):	$ 93	$ 58	$ 226	$ 20

Total costs of sales and operating expenses for the period.

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