ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - ASU No. 2015-17 (Details) - USD ($) $ in Thousands	Jan. 02, 2016	Jan. 03, 2015
Recent Accounting Pronouncements
Current deferred tax assets		$ 20,734
Noncurrent deferred tax assets	$ 13,914	5,005
Noncurrent deferred tax liabilities	2,627	$ 14,272
ASU No. 2015-17 | Early adoption
Recent Accounting Pronouncements
Current deferred tax assets	(21,600)
Noncurrent deferred tax assets	21,600
Current deferred tax liabilities	(100)
Noncurrent deferred tax liabilities	$ 100