| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
Revenue and profit or loss information by reportable segment reconciled to consolidated net (loss) income for the three and nine months ended September 30, 2011 and 2012 were as follows (in thousands): | | | | | | | | | | | | | | | | | | Three Months Ended September 30, | | Nine Months Ended September 30, | | 2011 | | 2012 | | 2011 | | 2012 | North America | | | | | | | | Revenue(1) | $ | 161,525 |
| | $ | 291,603 |
| | $ | 455,342 |
| | $ | 790,349 |
| Segment cost of revenue and operating expenses(2) | 142,689 |
| | 252,510 |
| | 468,785 |
| | 667,655 |
| Segment operating (loss) income | 18,836 |
| | 39,093 |
| | (13,443 | ) | | 122,694 |
| International | | | | | | | | Revenue | 268,636 |
| | 276,949 |
| | 662,924 |
| | 905,821 |
| Segment cost of revenue and operating expenses(2) | 289,164 |
| | 265,554 |
| | 811,766 |
| | 838,503 |
| Segment operating (loss) income | (20,528 | ) | | 11,395 |
| | (148,842 | ) | | 67,318 |
| Consolidated | | | | | | | | Revenue | 430,161 |
| | 568,552 |
| | 1,118,266 |
| | 1,696,170 |
| Segment cost of revenue and operating expenses(2) | 431,853 |
| | 518,064 |
| | 1,280,551 |
| | 1,506,158 |
| Segment operating (loss) income | (1,692 | ) | | 50,488 |
| | (162,285 | ) | | 190,012 |
| Stock-based compensation | 3,340 |
| | 22,619 |
| | 60,922 |
| | 77,706 |
| Acquisition-related (benefit) expense, net | (4,793 | ) | | 2,431 |
| | (4,793 | ) | | 744 |
| Interest and other income, net | (8,269 | ) | | (617 | ) | | (9,808 | ) | | (54,445 | ) | Loss on equity method investees | 11,211 |
| | 138 |
| | 19,974 |
| | 8,694 |
| (Loss) income before income taxes | (3,181 | ) | | 25,917 |
| | (228,580 | ) | | 157,313 |
| Provision for income taxes | 11,235 |
| | 26,857 |
| | 9,503 |
| | 128,297 |
| Net (loss) income | $ | (14,416 | ) | | $ | (940 | ) | | $ | (238,083 | ) | | $ | 29,016 |
|
| | (1) | North America contains revenue from the United States of $147.9 million and $278.5 million for the three months ended September 30, 2011 and 2012, respectively, and $420.1 million and $746.8 million for the nine months ended September 30, 2011 and 2012, respectively. |
| | (2) | Represents cost of revenue and operating expenses, excluding stock-based compensation and acquisition-related (benefit) expense, net, which are not allocated to segments. |
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| Reconciliation of Assets from Segment to Consolidated [Table Text Block] |
The following table summarizes the Company's total assets (in thousands): | | | | | | | | | | As of December 31, 2011 | | As of September 30, 2012 | North America (1)(3) | $ | 989,170 |
| | $ | 1,135,772 |
| International (2)(3) | 785,306 |
| | 897,042 |
| Consolidated total assets | $ | 1,774,476 |
| | $ | 2,032,814 |
|
| | (1) | North America contains assets from the United States of $981.0 million and $1,084.3 million at December 31, 2011 and September 30, 2012, respectively. |
| | (2) | Total assets in the Netherlands represented approximately 11.5% of consolidated total assets at September 30, 2012. There were no other individual countries located outside of the United States that represented more than 10% of consolidated total assets at December 31, 2011 or September 30, 2012. |
| | (3) | The December 31, 2011 total asset amounts have been reclassified in the disclosure above to conform to the current presentation, which excludes intercompany balances. |
|