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Business Combinations - Consideration Paid and Assets Acquired and Liabilities Assumed (Details)
$ in Millions
3 Months Ended
Mar. 31, 2019
USD ($)
Summary of the aggregate consideration paid and the aggregate amounts of the assets acquired and liabilities assumed  
Inventories $ 0.5
Property and equipment 0.2
Indefinite-lived intangibles 0.4
Other noncurrent assets 0.1
Current liabilities (0.1)
Total cash used in acquisitions $ 1.1