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Restructuring Restructuring (Details Textual) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Dec. 31, 2015 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected cash payments | $ 120.0 |  |  | $ 120.0 |
Adjustments to previous estimates, net |  |  |  | (0.6) |
Expected restructuring charges | 105.0 |  |  | 105.0 |
Restructuring charges | $ 0.0 | $ 93.4 | $ 0.0 | 9.7 | $ 0.0
Workforce reduction |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and related cost, expected percentage of positions eliminated |  | 11.00% |  |  |
Adjustments to previous estimates, net |  | $ 15.9 |  | $ (3.5) |

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- Definition Amount expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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