Revenues Revenues - Performance Obligations (Details) $ in Millions |
Dec. 31, 2018
USD ($)
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| Revenue from Contract with Customer [Abstract] | |
| Unsatisfied performance obligations | $ 136.9 |
| Performance obligation, timing of satisfaction period | 3 years |
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- References No definition available.
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- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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