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Acquisition and Divestitures - Discontinued Operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  | $ (122,842) | $ (113,129) | $ 0
Discontinued operations, net of taxes | $ 63,454 | $ 9,307 | $ 18,985 | $ (1,186) | $ 9,314 | $ 1,140 | $ 23,622 | $ 6,191 | 75,495 | 90,560 | 40,267
Intralinks Holdings, Inc. |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  | 213,178 |  |
Cost of services |  |  |  |  |  |  |  |  | 35,393 |  |
Research and development |  |  |  |  |  |  |  |  | 19,148 |  |
Selling, general and administrative |  |  |  |  |  |  |  |  | 114,737 |  |
Restructuring |  |  |  |  |  |  |  |  | 15,995 |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 41,780 |  |
Total costs and expenses |  |  |  |  |  |  |  |  | 227,053 |  |
Other income, net |  |  |  |  |  |  |  |  | 1,448 |  |
Loss from discontinued operations |  |  |  |  |  |  |  |  | (12,427) |  |
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  | 122,800 |  |
Income from discontinued operations before taxes |  |  |  |  |  |  |  |  | 110,415 |  |
Provision for income taxes |  |  |  |  |  |  |  |  | (34,920) |  |
Discontinued operations, net of taxes |  |  |  |  |  |  |  |  | $ 75,495 |  |
Discontinued Operations, Disposed of by Sale | BPO |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  |  | 145,241 | 150,714
Cost of services |  |  |  |  |  |  |  |  |  | 96,737 | 83,931
Selling, general and administrative |  |  |  |  |  |  |  |  |  | 2,615 | 2,324
Total costs and expenses |  |  |  |  |  |  |  |  |  | 99,352 | 86,255
Loss from discontinued operations |  |  |  |  |  |  |  |  |  | 45,889 | 64,459
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  |  | 113,130 | 0
Income from discontinued operations before taxes |  |  |  |  |  |  |  |  |  | 159,019 | 64,459
Provision for income taxes |  |  |  |  |  |  |  |  |  | (68,459) | (24,191)
Discontinued operations, net of taxes |  |  |  |  |  |  |  |  |  | $ 90,560 | $ 40,268

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