v3.26.1
Restructuring Charges (Schedule of Charges Related to Restructuring Activities) (Details) - USD ($)
 3 Months Ended 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Sep. 30, 2025
Restructuring Cost and Reserve [Line Items]          
Restructuring charges $ 14,000,000.0 $ 11,800,000 $ 32,100,000 $ 15,900,000  
Restructuring and related costs 23,000,000.0 11,800,000 47,400,000 15,900,000  
Restructuring Reserve 15,900,000   15,900,000    
Restructuring Charges, including amounts included in Cost of Products Sold (8,700,000)   (14,500,000)    
Employee Severance [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring Reserve 15,900,000   15,900,000   $ 16,000,000.0
Restructuring charges, charge to income     8,500,000    
Utilized - Cash Payments     (8,500,000)    
Utilized - Non-Cash     (100,000)    
Asset Impairment and Accelerated Depreciation [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring Reserve 0   0    
Restructuring charges, charge to income     5,100,000    
Utilized - Non-Cash     (5,100,000)    
Other Restructuring [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring Reserve         700,000
Restructuring charges, charge to income     33,700,000    
Utilized - Cash Payments     (34,400,000)    
Restructuring Reserve (Reversal) 0   0    
Operating Model Redesign          
Restructuring Cost and Reserve [Line Items]          
Severance Costs 800,000 0 1,100,000 500,000  
Other Restructuring Costs 1,500,000 3,800,000 3,400,000 4,700,000  
Restructuring charges 4,400,000 3,900,000 6,600,000 6,300,000  
Restructuring Reserve 1,300,000   1,300,000    
Asset Impairment and Accelerated Depreciation 2,100,000 100,000 2,100,000 1,100,000  
Restructuring Charges, including amounts included in Cost of Products Sold 0 400,000 200,000 500,000  
Operating Model Redesign | Employee Severance [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring Reserve 1,300,000   1,300,000   2,700,000
Restructuring charges, charge to income     1,100,000    
Utilized - Cash Payments     (2,500,000)    
Utilized - Non-Cash     0    
Operating Model Redesign | Asset Impairment and Accelerated Depreciation [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring Reserve 0   0    
Restructuring charges, charge to income     2,100,000    
Utilized - Non-Cash     (2,100,000)    
Operating Model Redesign | Other Restructuring [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring Reserve 0   0   0
Restructuring charges, charge to income     3,400,000    
Utilized - Cash Payments     (3,400,000)    
Restructuring and Related Cost, Expected Cost 9,000,000   9,000,000    
Consolidation of Mexico Facilities          
Restructuring Cost and Reserve [Line Items]          
Severance Costs 0 (200,000) (1,200,000) (500,000)  
Other Restructuring Costs 15,800,000 7,900,000 29,100,000 10,000,000.0  
Restructuring charges 16,400,000 8,300,000 29,100,000 10,100,000  
Restructuring Reserve 6,100,000   6,100,000    
Asset Impairment and Accelerated Depreciation 600,000 600,000 1,200,000 600,000  
Restructuring Charges, including amounts included in Cost of Products Sold 8,200,000   12,600,000    
Consolidation of Mexico Facilities | Employee Severance [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring Reserve 6,100,000   6,100,000   13,300,000
Restructuring charges, charge to income     (1,200,000)    
Utilized - Cash Payments     (5,900,000)    
Utilized - Non-Cash     (100,000)    
Consolidation of Mexico Facilities | Asset Impairment and Accelerated Depreciation [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring Reserve 0   0    
Restructuring charges, charge to income     1,200,000    
Utilized - Non-Cash     (1,200,000)    
Consolidation of Mexico Facilities | Other Restructuring [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring Reserve         700,000
Restructuring charges, charge to income     29,100,000    
Utilized - Cash Payments     (29,800,000)    
Restructuring Reserve (Reversal) 0   0    
Restructuring and Related Cost, Expected Cost 54,000,000   54,000,000    
Consolidation of Wet Shave Operations          
Restructuring Cost and Reserve [Line Items]          
Severance Costs 500,000 0 8,600,000 0  
Other Restructuring Costs 1,200,000 0 1,200,000 0  
Restructuring charges 2,200,000 0 11,600,000 0  
Restructuring Reserve 8,500,000   8,500,000    
Asset Impairment and Accelerated Depreciation 500,000 0 1,800,000 0  
Restructuring Charges, including amounts included in Cost of Products Sold 500,000   1,800,000    
Consolidation of Wet Shave Operations | Employee Severance [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring Reserve 8,500,000   8,500,000   0
Restructuring charges, charge to income     8,600,000    
Utilized - Cash Payments     (100,000)    
Utilized - Non-Cash     0    
Consolidation of Wet Shave Operations | Asset Impairment and Accelerated Depreciation [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring Reserve 0   0    
Restructuring charges, charge to income     1,800,000    
Utilized - Non-Cash     (1,800,000)    
Consolidation of Wet Shave Operations | Other Restructuring [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring Reserve 0   0   $ 0
Restructuring charges, charge to income     1,200,000    
Utilized - Cash Payments     (1,200,000)    
Restructuring and Related Cost, Expected Cost 27,000,000   27,000,000    
Selling, general and administrative expenses          
Restructuring Cost and Reserve [Line Items]          
Restructuring Charges, Including Amounts in Selling, General and Administrative Expenses (300,000)   (800,000)    
Selling, general and administrative expenses | Operating Model Redesign          
Restructuring Cost and Reserve [Line Items]          
Restructuring Charges, Including Amounts in Selling, General and Administrative Expenses $ 300,000 $ 0 $ (800,000) $ 0