v3.25.2
Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Other items, net - adjusted $ (1.9) $ 5.0 $ 3.3 $ (19.5)
Interest expense 39.0 38.5 114.0 117.9
Cost of products sold 325.6 424.2 1,191.6 1,283.8
Income tax expense 10.7 (13.7) 26.6 3.8
Net earnings 153.5 (43.8) 204.1 (9.5)
Amount Reclassified from AOCI        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net earnings (4.2) (4.8) (15.1) (12.1)
Other Comprehensive Income, Cash Flow Hedge, Adjustment | Amount Reclassified from AOCI        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Other items, net - adjusted (0.3) (0.4) (2.5) (1.0)
Interest expense (5.1) (7.7) 16.9 23.5
Cost of products sold (1.1) 1.2 (3.4) 6.5
Earnings before income taxes (6.5) (6.9) (22.8) (18.0)
Income tax expense 1.5 1.6 (5.5) (4.3)
Net earnings (5.0) (5.3) (17.3) (13.7)
Amortization of defined benefit pension items | Amount Reclassified from AOCI        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Actuarial loss 1.0 0.7 (2.9) (2.1)
Income tax expense (0.2) (0.2) 0.7 0.5
Net earnings $ 0.8 $ 0.5 $ 2.2 $ 1.6