v3.7.0.1

Amortizable Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2016
Goodwill And Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets | The carrying amount and accumulated amortization of intangible assets as of December 31 were as follows:
|  | 2016 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
|  | (In millions) |
Customer relationships and platforms |  | $ | 745.2 |  |  |  | (197.5 | ) |  |  | 547.7 |
Other |  |  | 126.9 |  |  |  | (35.5 | ) |  |  | 91.4 |
Total |  | $ | 872.1 |  |  |  | (233.0 | ) |  |  | 639.1 |
|  | 2015 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
|  | (In millions) |
Customer relationships and platforms |  | $ | 745.2 |  |  |  | (137.0 | ) |  |  | 608.2 |
Other |  |  | 126.7 |  |  |  | (26.0 | ) |  |  | 100.7 |
Total |  | $ | 871.9 |  |  |  | (163.0 | ) |  |  | 708.9 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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