Quarterly report pursuant to Section 13 or 15(d)

Business Acquisitions and Divestitures - Schedule of Results of Operations After Acquisition (Details)

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Business Acquisitions and Divestitures - Schedule of Results of Operations After Acquisition (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 30, 2020
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Business Acquisition [Line Items]          
Proceeds from divestitures, net of cash divested $ 165.7       $ 222.4
Net revenue   $ 722.3 $ 648.9 $ 1,414.8 1,215.8
Income before income taxes   109.4 (70.4) 218.4 (83.6)
Molding Technology Solutions          
Business Acquisition [Line Items]          
Net revenue   255.0 199.0 491.9 332.3
Income before income taxes   $ 32.6 $ (30.2) $ 62.3 $ (29.5)