COMMITMENTS AND CONTINGENCIES - Additional Information (Details) $ in Millions	1 Months Ended	9 Months Ended
	Oct. 31, 2015 installment	Mar. 26, 2016 USD ($)	Feb. 29, 2016 USD ($)	Jun. 27, 2015 USD ($)
Prepaid Expenses and Other Current Assets | Internal Revenue Board of Malaysia
Contingencies And Commitments [Line Items]
Refund claims receivable			$ 2.4
Inventory in Excess of Future Demand Forecasts | Accrued Expenses and Other Liabilities
Contingencies And Commitments [Line Items]
Purchase commitments		$ 3.1		$ 3.2
Affiliated Entity | Hitachi High-Technologies Corporation
Contingencies And Commitments [Line Items]
Capital lease term	5 years
Number of equal installments of principal and interest | installment	20
Interest rate on capital equipment	1.15%
Minimum
Contingencies And Commitments [Line Items]
Warranty for products from date of sale		12 months
Minimum | Affiliated Entity | Hitachi Capital Corporation
Contingencies And Commitments [Line Items]
Capital lease term		1 year
Maximum
Contingencies And Commitments [Line Items]
Warranty for products from date of sale		36 months
Maximum | Affiliated Entity | Hitachi Capital Corporation
Contingencies And Commitments [Line Items]
Capital lease term		5 years