GEOGRAPHIC INFORMATION, PRODUCT GROUPS AND CUSTOMER CONCENTRATION INFORMATION - Additional Information (Details) - customer	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2017	Dec. 31, 2016	Jul. 01, 2017
Revenues
Revenue, Major Customer [Line Items]
Number of major customers	3	4	5	4
Revenues | Customer A
Revenue, Major Customer [Line Items]
Percentage of revenues	19.00%	22.00%	15.00%	20.00%
Revenues | Customer B
Revenue, Major Customer [Line Items]
Percentage of revenues	13.00%	20.00%	13.00%	19.00%
Revenues | Customer C
Revenue, Major Customer [Line Items]
Percentage of revenues	13.00%	16.00%	12.00%	18.00%
Revenues | Customer D
Revenue, Major Customer [Line Items]
Percentage of revenues		10.00%	11.00%	11.00%
Revenues | Customer E
Revenue, Major Customer [Line Items]
Percentage of revenues			10.00%
Accounts Receivable
Revenue, Major Customer [Line Items]
Number of major customers			4		1
Accounts Receivable | Customer A
Revenue, Major Customer [Line Items]
Percentage of accounts receivable	15.00%		15.00%		20.00%
Accounts Receivable | Customer B
Revenue, Major Customer [Line Items]
Percentage of accounts receivable	14.00%		14.00%
Accounts Receivable | Customer C
Revenue, Major Customer [Line Items]
Percentage of accounts receivable	13.00%		13.00%
Accounts Receivable | Customer D
Revenue, Major Customer [Line Items]
Percentage of accounts receivable	10.00%		10.00%