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Revenue Recognition - Schedule Of Contract Assets And Liabilities (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2019 USD ($)
Revenue from Contract with Customer [Abstract] |
Contract with Customer, Asset, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress | $ 0.1
Change in Contract With Customer, Asset [Roll Forward] |
Balance as of December 31, 2018 | 4.0
Decrease due to transfer to receivables during the period | (1.0)
Balance as of March 31, 2019 | 3.1
Change in Contract With Customer, Liability [Roll Forward] |
Balance as of December 31, 2018 | 77.4
Increase due to cash received | 22.3
Decrease due to amortization of deferred revenue that was included in the beginning contract liability balance | (24.6)
Decrease due to amortization of deferred revenue that was added during the period | (1.4)
Balance as of March 31, 2019 | $ 73.7

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- Definition Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in measure of progress which increases (decreases) right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130551-203045 + Details
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