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Revenue Recognition (Tables) | 12 Months Ended
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Dec. 31, 2019
Revenues [Abstract] |
Disaggregation of Revenue [Table Text Block] | The following table presents our revenues disaggregated by geography, based on the billing addresses of our customers:
| Year Ended December 31,
| 2019 |  | 2018 |  | 2017
| (In thousands)
U.S | $ | 772,586 |  |  | $ | 756,907 |  |  | $ | 707,906 |
EMEA | 206,975 |  |  | 212,699 |  |  | 211,349 |
China | 119,291 |  |  | 106,841 |  |  | 106,526 |
Other | 132,809 |  |  | 138,522 |  |  | 139,314 |
Total revenues | $ | 1,231,661 |  |  | $ | 1,214,969 |  |  | $ | 1,165,095 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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