Enterprise Wide Disclosures (Narrative) (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 27, 2015	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Segment Reporting Information [Line Items]
Net sales	$ 120,429	$ 112,915	$ 114,311	$ 86,342	$ 72,127	$ 77,043	$ 78,250	$ 77,974	$ 433,997	$ 305,394	$ 361,033
Percentage Of Net Sales									100.00%	100.00%	100.00%
Key Tronic E M S
Segment Reporting Information [Line Items]
Net sales									$ 432,100	$ 303,100	$ 358,600
Keyboard
Segment Reporting Information [Line Items]
Net sales									$ 1,900	$ 2,300	$ 2,400
Canada
Segment Reporting Information [Line Items]
Percentage Of Net Sales									10.50%	16.50%	22.40%