INCOME TAXES - Significant Components of the Deferred Taxes (Details) - USD ($) $ in Thousands	Jan. 02, 2016	Jan. 03, 2015
Deferred tax assets:
Net operating loss carryforwards	$ 3,485	$ 2,053
Accruals and reserves not currently deductible	20,135	18,529
Tax credit carryforwards	1,740	1,817
Other basis differences	10,037	9,929
Total gross deferred tax assets	35,397	32,328
Valuation allowance	(3,239)	(2,480)
Total deferred tax assets, net of valuation allowance	32,158	29,848
Deferred tax liabilities:
Intangible assets	15,626	14,642
Property and equipment	4,806	3,169
Other basis differences	439	583
Total deferred tax liabilities	20,871	18,394
Net deferred tax assets	$ 11,287	$ 11,454