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v3.19.2

Summary of Significant Accounting Policies - Marketable Software (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Decrease to cost of revenue | $ (559.9) | $ (514.5) | $ (1,105.8) | $ (1,021.7)
Increase to consolidated net income | $ 26.2 | $ 3.8 | $ 6.8 | $ 44.4
Increase to diluted earnings per share (in dollars per share) | $ 0.42 | $ 0.07 | $ 0.13 | $ 0.74
Adjustment |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Decrease to cost of revenue | $ 4.9 |  | $ 9.3 |
Increase to consolidated net income | $ 4.9 |  | $ 9.3 |
Increase to diluted earnings per share (in dollars per share) | $ 0.06 |  | $ 0.18 |
Marketable Software |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Typical renewal period (on average) |  |  | 5 years |
Finite-lived intangible asset in process | $ 44.7 |  | $ 44.7 |
Finite-lived intangible asset remaining | $ 133.1 |  | $ 133.1 |
Weighted-average remaining life |  |  | 3 years 6 months |
Enterprise Software |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Estimated revenue-producing lives of enterprise software |  |  | 5 years |
Enterprise software product as percentage of total marketable software |  |  | 65.00% |
Enterprise Software | Previously Reported |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Estimated revenue-producing lives of enterprise software |  |  | 3 years |
Remaining Products Classified as Marketable Software |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Estimated revenue-producing lives of enterprise software |  |  | 3 years |

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