v3.8.0.1
INCOME TAXES (Effective Tax Rate Reconciliation) (Details)
12 Months Ended
Dec. 31, 2017
Jan. 01, 2017
Accounting Changes and Error Corrections [Abstract]    
Federal statutory tax rate 34.00% 34.00%
State taxes, net of valuation allowance and federal benefit 2.40% 4.00%
Federal rate change and impact on state benefit (24.10%)  
Foreign taxes (0.90%) (1.60%)
Tax effect of permanent differences (2.00%) (4.50%)
Tax effect of general business credits 3.70% 5.00%
Tax effect of foreign tax credit 0.90% 1.60%
Uncertain tax positions 1.70% (2.10%)
Stock-based compensation (4.40%)  
Other 0.20% (0.80%)
Effective tax rate 11.50% 35.60%