FAIR VALUE MEASUREMENTS (Detail 1) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Holder Redemption Option	$ 633	$ 970
Earn-Out Liability, current	0	1,903
Earn-Out Liability, noncurrent		1,903
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Holder Redemption Option	0	0
Earn-Out Liability, noncurrent		0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Holder Redemption Option	0	0
Earn-Out Liability, noncurrent		0
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Holder Redemption Option	$ 633	970
Earn-Out Liability, noncurrent		$ 1,903