Business Combinations - Goodwill (Details) $ in Millions |
Dec. 31, 2017
USD ($)
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| Business Combinations | |
| Goodwill expected to be deducted for income tax purposes | $ 32.1 |
| X | ||||||||||
- Definition The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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