THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Advertising Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Direct Operating Expense [Member]
Income Statement Location [Line Items]
Advertising expense	$ 452.7	$ 443.2	$ 378.1
Selling, General and Administrative Expense [Member]
Income Statement Location [Line Items]
Advertising expense	$ 27.8	$ 30.9	$ 40.3