COMMITMENTS AND CONTINGENCIES 1 (Details) (USD $)	12 Months Ended			1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Aug. 31, 2011 San Jose Corporate Headquarters [Member]	Dec. 31, 2011 San Jose Corporate Headquarters [Member]	Aug. 30, 2011 San Jose Corporate Headquarters [Member]
Purchase Commitments
Capital purchase commitment	$ 5,300,000
Leases [Abstract]
Total rental expense	24,400,000	25,000,000	20,100,000
Sales consideration					(48,500,000)
Lease term of new corporate headquarters located at 1600 Technology Drive in San Jose, California (the Technology Drive Lease)				10 years
Future minimum rental payment of new corporate headquarters located at 1600 Technology Drive in San Jose, California (the Technology Drive Lease)	59,565,000					52,600,000
Aggregate non-cancelable future minimum rental payments under operating leases
2013	9,015,000
2014	7,631,000
2015	7,367,000
2016	6,740,000
2017	6,332,000
Thereafter	22,480,000
Total operating lease	59,565,000					52,600,000
Leases Additional Disclosure [Abstract]
Purchase Commitments	$ 36,800,000