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Discontinued Operations (Tables)
 9 Months Ended
Mar. 31, 2020
Discontinued Operations and Disposal Groups [Abstract]  
Schedule of Results of EC Remedy Classified as Discontinued Operations The following table summarizes the results of the EC Remedy, classified as discontinued operations, from July 1, 2019 until the sale of the EC Remedy on August 8, 2019:
Three Months Ended March 31, Nine Months Ended March 31,
($ in millions)2020
Net sales$—  $15.8  
Income (loss) from discontinued operations—  (7.1) 
Tax expense on discontinued operations—  (0.6) 
Income (loss) from discontinued operations, net of tax$—  $(7.7)