Quarterly report pursuant to Section 13 or 15(d)

Business Acquisitions and Divestitures - Narrative (Details)

v3.21.2
Business Acquisitions and Divestitures - Narrative (Details)
$ / shares in Units, shares in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Mar. 10, 2021
USD ($)
Mar. 30, 2020
USD ($)
Nov. 21, 2019
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
Jun. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Business Acquisition [Line Items]                    
Proceeds from divestiture of businesses       $ 13,100,000            
Proceeds from divestitures, net of cash divested   $ 165,800,000             $ 222,400,000  
Pre-tax gain (loss)         $ 100,000   $ 0 $ 65,800,000 (3,000,000.0)  
Molding Technology Solutions                    
Business Acquisition [Line Items]                    
Business acquisition and integration costs         5,100,000   5,000,000.0 17,400,000 62,700,000  
Percentage of voting interests acquired     100.00%              
Share price (in dollars per share) | $ / shares     $ 11.80              
Exchange ratio of common stock issued (in shares)     0.1612              
Payments to acquire business, gross     $ 1,643,000,000.0              
Business acquisition, common stock shares issued (in shares) | shares     11.4              
Repayment of Milacron debt, including accrued interest     $ 772,900,000              
Identifiable intangible assets         815,000,000.0     815,000,000.0    
Cimcool                    
Business Acquisition [Line Items]                    
Proceeds from divestitures, net of cash divested   $ 222,400,000                
Cimcool | Discontinued Operations, Disposed of by Sale [Member]                    
Business Acquisition [Line Items]                    
Tax expense                 13,000,000.0  
Cimcool | Level 2 | Discontinued Operations, Disposed of by Sale [Member]                    
Business Acquisition [Line Items]                    
Pre-tax gain (loss)                 (3,000,000.0)  
Red Valve                    
Business Acquisition [Line Items]                    
Total transaction value                   $ 63,000,000.0
Proceeds from divestiture of businesses           $ 59,400,000        
Pre-tax gain (loss)               (31,600,000)    
Trade receivables, net           $ 5,000,000.0        
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation               3,800,000    
Discontinued Operation, Transaction Costs               2,900,000    
ABEL                    
Business Acquisition [Line Items]                    
Proceeds from divestitures, net of cash divested $ 103,500,000                  
Pre-tax gain (loss)         34,200,000     34,200,000    
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation         6,900,000     $ 6,900,000    
Discontinued Operation, Transaction Costs         $ 3,900,000   $ 400,000   $ 4,200,000  
Proceeds from Divestiture of Businesses, Including Working Capital Adjustments $ 106,300,000