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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 4) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2013
|
Sep. 30, 2013
|
Jun. 30, 2013
|
Mar. 31, 2013
|
Dec. 31, 2012
|
Sep. 30, 2012
|
Jun. 30, 2012
|
Mar. 31, 2012
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Revenue, Major Customer [Line Items] | |||||||||||
| Revenue | $ 724,455 | $ 756,872 | $ 799,411 | $ 742,249 | $ 765,251 | $ 714,470 | $ 680,612 | $ 640,600 | $ 3,022,987 | $ 2,800,933 | $ 2,059,444 |
| Accounts receivable | 207,408 | 229,830 | 207,408 | 229,830 | |||||||
|
Google Inc.
|
|||||||||||
| Revenue, Major Customer [Line Items] | |||||||||||
| Revenue | 1,500,000 | 1,400,000 | 970,400 | ||||||||
| Accounts receivable | $ 112,300 | $ 125,300 | $ 112,300 | $ 125,300 | |||||||