GEOGRAPHIC AND CUSTOMER CONCENTRATION INFORMATION - Narrative (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 28, 2015 customer	Jun. 29, 2014 customer	Jun. 28, 2015 segment customer	Jun. 29, 2014 customer	Dec. 31, 2014 customer
Concentration Risk [Line Items]
Number of operating segment | segment			1
Customer Concentration Risk | Net Sales
Concentration Risk [Line Items]
Number of significant customers	1	2	1	2
Customer Concentration Risk | Net Sales | Net Sales, Major Customer A
Concentration Risk [Line Items]
Concentration percentage	67.00%	60.00%	65.00%	60.00%
Customer Concentration Risk | Net Sales | Net Sales, Major Customer B
Concentration Risk [Line Items]
Concentration percentage		14.00%		10.00%
Customer Concentration Risk | Net Accounts Receivable
Concentration Risk [Line Items]
Number of significant customers			1		1
Concentration percentage					74.00%
Customer Concentration Risk | Net Accounts Receivable | Net Accounts Receivable, Major Customer A
Concentration Risk [Line Items]
Concentration percentage			59.00%