Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets and Goodwill Intangible Assets - Impairment Assessment (Details)

v3.20.2
Intangible Assets and Goodwill Intangible Assets - Impairment Assessment (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Sep. 30, 2019
Finite-Lived Intangible Assets [Line Items]            
Goodwill impairment       $ 72.3    
Intangible asset impairment       10.2    
Intangible assets, net $ 1,093.6     1,093.6   $ 454.9
Goodwill and Intangible Asset Impairment $ 0.0   $ 0.0 82.5 $ 0.0  
Process Equipment Group            
Finite-Lived Intangible Assets [Line Items]            
Goodwill impairment   $ 72.3   72.3    
Pre-impairment goodwill   95.2        
Additional goodwill impairment       12.0    
Goodwill and Intangible Asset Impairment       73.0    
Milacron            
Finite-Lived Intangible Assets [Line Items]            
Goodwill impairment       0.0    
Goodwill and Intangible Asset Impairment   9.5        
Intangible Assets, Net (Including Goodwill)   125.0        
Additional Goodwill And Intangible Asset Impairment       $ 12.0    
Milacron | Minimum            
Finite-Lived Intangible Assets [Line Items]            
Percent of fair value greater than carrying value 3.00%     3.00%    
Milacron | Maximum            
Finite-Lived Intangible Assets [Line Items]            
Percent of fair value greater than carrying value 16.00%     16.00%    
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        
Intangible assets, net   $ 4.4        
Trade names | Milacron            
Finite-Lived Intangible Assets [Line Items]            
Intangible asset impairment       $ 7.9