Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Sep. 30, 2018 |
Mar. 31, 2018 |
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| Fair Value Disclosures [Abstract] | ||
| Increase (decrease) in contingent liability | $ (1.1) | |
| Repayments of related party debt | $ 3.8 | $ 1.0 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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