COMMITMENTS AND CONTINGENCIES - Movements in Warranty Accrual for Period (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 01, 2017	Mar. 26, 2016	Apr. 01, 2017	Mar. 26, 2016
Warranty Provision Roll Forward:
Warranty provision—beginning of period	$ 4,560	$ 3,097	$ 3,827	$ 2,932
Warranties issued	991	615	2,533	1,472
Warranties utilized or expired	(901)	(553)	(1,505)	(1,241)
Foreign currency translation and other adjustments	9	(32)	(196)	(36)
Warranty provision—end of period	$ 4,659	$ 3,127	$ 4,659	$ 3,127