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Summary of Significant Accounting Policies Business Combinations (Details) - USD ($)
$ in Millions
Jun. 30, 2019
Apr. 01, 2019
Business Combinations [Abstract]    
Business Acquisition, Transaction Costs   $ 18.9
Business Combination, Recognized Inventory $ 4.5  
Business Combination, Recognized Property, Plant, and Equipment 0.6  
Business Combination, Recognized Goodwill 2.6  
Business Combination, Recognized Intangible Assets $ 11.2