Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details)

v3.22.2.2
Income Taxes (Details) - USD ($)
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 33,900,000 $ 40,500,000  
Components of earnings before income taxes and the consolidated income tax provision:      
Domestic 48,300,000 64,100,000 $ (40,300,000)
Foreign 265,700,000 289,700,000 21,800,000
Income (Loss) from Subsidiaries, before Tax 314,000,000.0 353,800,000 (18,500,000)
Current provision:      
Federal 8,800,000 6,000,000.0 (2,400,000)
State 3,000,000.0 4,800,000 3,000,000.0
Foreign 63,500,000 75,600,000 53,800,000
Total current provision 75,300,000 86,400,000 54,400,000
Deferred provision (benefit):      
Federal 9,200,000 13,900,000 (6,600,000)
State 1,100,000 (500,000) (2,400,000)
Foreign 13,200,000 (1,200,000) (10,500,000)
Total deferred provision (benefit) 23,500,000 12,200,000 (19,500,000)
Income tax expense $ 98,800,000 $ 98,600,000 $ 34,900,000
Reconciliation of the effective income tax rate with the U.S. federal statutory income tax rate      
Federal statutory rates (as a percent) 21.00% 21.00% 21.00%
Adjustments resulting from the tax effect of:      
State income taxes, net of federal benefit 1.10% 0.90% 0.30%
Foreign income tax rate differential (as a percent) 1.80% 2.00% (14.30%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent 1.30% 0.40% (19.10%)
Effective Income Tax Rate Reconciliation, Deduction, Percent 4.70% (3.10%) (54.70%)
Valuation allowance (as a percent) 0.00% 0.30% (2.10%)
Effective Income Tax Rate Reconciliation, Tax Contingency, Percent 0.10% 1.70% (4.00%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent 0.00% 0.00% (14.10%)
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent 1.50% 0.50% (101.10%)
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent 0.00% 0.00% 41.50%
Effective Income Tax Rate Reconciliation, Transaction Costs, Percent 0.00% 0.00% (8.70%)
Effective Income Tax Rate Reconciliation, Disposition of Business, Percent 0.20% (2.60%) 0.00%
Other, net (as a percent) (0.20%) 0.60% (33.30%)
Effective income tax rate (as a percent) 31.50% 27.90% (188.60%)
Deferred tax assets:      
Employee benefit accruals $ 25,900,000 $ 37,600,000  
Loss and tax credit carryforwards 15,700,000 38,900,000  
Interest Limitation Carryforwards 19,300,000 23,200,000  
Operating lease liabilities 30,400,000 37,000,000.0  
Rebates and other discounts 4,200,000 5,200,000  
Self-insurance reserves 2,900,000 2,900,000  
Inventory, net 8,500,000 8,300,000  
Other, net 26,000,000.0 20,000,000.0  
Total deferred tax assets before valuation allowance 132,900,000 173,100,000  
Less valuation allowance (11,800,000) (24,400,000)  
Total deferred tax assets, net 121,100,000 148,700,000  
Deferred tax liabilities:      
Depreciation (21,200,000) (24,500,000)  
Amortization 185,200,000 210,100,000  
Deferred Tax Liabilities, Leasing Arrangements (31,000,000.0) (37,400,000)  
Long-term contracts and customer prepayments (68,900,000) (55,300,000)  
Deferred Tax Liabilities, Undistributed Foreign Earnings 14,700,000 15,000,000.0  
Other, net (3,500,000) (4,100,000)  
Total deferred tax liabilities (324,500,000) (346,400,000)  
Deferred tax liabilities, net (203,400,000) (197,700,000)  
Amounts recorded in the balance sheets:      
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent 6,800,000 9,000,000.0  
Deferred tax liabilities, non-current (210,200,000) (206,700,000)  
Deferred tax liabilities, net (203,400,000) (197,700,000)  
Deferred income tax assets related to U.S. federal and state tax credit carryforwards 3,900,000 15,500,000  
Deferred income tax assets related to foreign net operating loss carryforwards 28,900,000 45,600,000  
Current income tax payable 34,100,000 26,300,000  
Deferred Tax Liability, Unremitted Earnings of Foreign Subsidiaries 14,700,000 15,000,000.0  
Transition Tax Amount [Member]      
Amounts recorded in the balance sheets:      
Accrued Income Taxes, Noncurrent $ 14,900,000 $ 16,900,000