Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets and Goodwill - Schedule of Impairment Charges (Details)

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Intangible Assets and Goodwill - Schedule of Impairment Charges (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Finite-Lived Intangible Assets [Line Items]        
Goodwill impairment     $ 72.3  
Intangible asset impairment     10.2  
Total $ 82.5 $ 0.0 82.5 $ 0.0
Process Equipment Group        
Finite-Lived Intangible Assets [Line Items]        
Goodwill impairment     72.3  
Total     73.0  
Milacron        
Finite-Lived Intangible Assets [Line Items]        
Goodwill impairment     0.0  
Total     9.5  
Trade names        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset impairment     8.6  
Trade names | Process Equipment Group        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset impairment     0.7  
Trade names | Milacron        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset impairment     7.9  
Technology, including patents        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset impairment     1.6  
Technology, including patents | Process Equipment Group        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset impairment     0.0  
Technology, including patents | Milacron        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset impairment     $ 1.6