Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details)

v3.19.3.a.u2
Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Oct. 01, 2019
Sep. 30, 2019
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]      
Receivables from long-term manufacturing contracts $ 205.9   $ 181.1
Inventories, net 442.1   176.6
Deferred Income Tax Liabilities, Net 215.4   73.6
Deferred income taxes 215.4   73.6
Retained earnings 586.5   599.5
Operating lease right-of-use assets 172.5   $ 0.0
Total present value of lease payments 170.0    
Cumulative effect of new accounting principle   $ 0.0  
Milacron      
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]      
Operating lease right-of-use assets 41.0    
Total present value of lease payments $ 39.0    
Retained Earnings [Member]      
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]      
Cumulative effect of new accounting principle   6.0  
Retained Earnings [Member] | Accounting Standards Update 2018-02 [Member]      
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]      
Cumulative effect of new accounting principle   6.0  
AOCI Attributable to Parent [Member]      
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]      
Cumulative effect of new accounting principle   (6.0)  
AOCI Attributable to Parent [Member] | Accounting Standards Update 2018-02 [Member]      
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]      
Cumulative effect of new accounting principle   $ 6.0