THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014 country	Jun. 30, 2013	Jun. 30, 2014 brand visit country	Jun. 30, 2013	Dec. 31, 2013
Revenue from major customers
Minimum number of brands owned by the company			150
Number of monthly visits to company websites			1,000,000,000
Number of countries where the company has consumer audiences	100		100
Revenue	$ 756,315	$ 799,411	$ 1,496,562	$ 1,541,660
Accounts receivable, net of allowance of $11,443 and $8,540 respectively	223,436		223,436		207,408
Google Inc.
Revenue from major customers
Revenue	349,500	405,800	704,600	781,900
Accounts receivable, net of allowance of $11,443 and $8,540 respectively	$ 114,500		$ 114,500		$ 112,300