ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Basis of presentation
Number of weeks in the fiscal year (in days)	364 days	364 days	364 days
Minimum
Basis of presentation
Number of weeks in the fiscal year (in days)	364 days
Maximum
Basis of presentation
Number of weeks in the fiscal year (in days)	371 days