| THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Goodwill) (Details) | 12 Months Ended | 
|---|---|
| Dec. 31, 2018 | |
| Goodwill [Line Items] | |
| Maximum number of years for goodwill quantitative assessment | 5 years | 
| X | ||||||||||
| 
- Definition Maximum number of years between goodwill quantitative assessments for reporting units. No definition available. 
 | 
| X | ||||||||||
| 
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
 |