BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Impact of ASU (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2018	Oct. 01, 2017	Jul. 02, 2018	Jul. 01, 2018	Jun. 30, 2018
Statement of Operations
Net Sales	$ 93,641	$ 65,049
Cost of sales	70,438	46,886
Income before income tax expense	10,691	10,573
Income tax expense	2,226	3,527
Net income	8,465	$ 7,046
Balance Sheet
Accrued expenses and other current liabilities	29,555		$ 31,895		$ 27,866
Income taxes	1,626
Accumulated deficit	(56,343)		$ (64,808)		$ (61,717)
Adjustments Due to ASC 606
Statement of Operations
Net Sales	517
Income before income tax expense	517
Income tax expense	116
Net income	401
Balance Sheet
Accrued expenses and other current liabilities	(4,385)			$ 4,029
Income taxes	1,054
Accumulated deficit	3,492			$ (3,091)
Balances without adoption of ASC 606
Statement of Operations
Net Sales	94,158
Income before income tax expense	11,208
Income tax expense	2,342
Net income	8,866
Balance Sheet
Accrued expenses and other current liabilities	25,170
Income taxes	2,680
Accumulated deficit	$ (52,851)