Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets and Goodwill - Narrative (Details)

v3.21.1
Intangible Assets and Goodwill - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Jun. 30, 2020
Finite-Lived Intangible Assets [Line Items]          
Goodwill impairment   $ 72.3   $ 72.3  
Impairment charges $ 0.0 82.5 $ 0.0 82.5  
Minimum          
Finite-Lived Intangible Assets [Line Items]          
Finite-Lived Intangible Asset, Useful Life     3 years    
Maximum          
Finite-Lived Intangible Assets [Line Items]          
Finite-Lived Intangible Asset, Useful Life     21 years    
Advanced Process Solutions          
Finite-Lived Intangible Assets [Line Items]          
Goodwill impairment   72.3   72.3  
Goodwill, pre-impairment charge         $ 95.2
Impairment charges   73.0   73.0  
Molding Technology Solutions          
Finite-Lived Intangible Assets [Line Items]          
Reporting unit, indefinite-lived intangible asset, pre-impairment charge         125.0
Impairment charges   9.5   9.5  
Trade names | Advanced Process Solutions          
Finite-Lived Intangible Assets [Line Items]          
Impairment of Intangible Assets, Indefinite-lived (excluding goodwill)   $ 0.7   $ 0.7  
Reporting unit, indefinite-lived intangible asset, pre-impairment charge         $ 4.4