Commitments and Contingencies (Litigation and Environmental Narrative) (Details) R$ in Millions, $ in Millions	1 Months Ended	12 Months Ended
	Sep. 30, 2010 BRL (R$)	Sep. 30, 2025 USD ($) site	Sep. 30, 2024 USD ($)	Sep. 30, 2006 USD ($)
Pace, Florida
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies		$ 53.8		$ 42.0
Alleged Anticompete Litigation
Loss Contingencies [Line Items]
Civil fines imposed	R$ 179.2	$ 34.0
Environmental
Loss Contingencies [Line Items]
Approximate number of sites on which settlement has not been reached | site		26
Accrual for environmental loss contingencies		$ 85.6	$ 79.1
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]		Other noncurrent liabilities	Other noncurrent liabilities
Accrual for environmental loss contingencies, maximum payout period		30 years
Environmental | Pace, Florida
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies, maximum payout period		30 years
Site contingency, cost review, period		5 years
Environmental | Minimum
Loss Contingencies [Line Items]
Estimate of possible exposure from environment loss contingencies		$ 85.0
Environmental | Maximum
Loss Contingencies [Line Items]
Estimate of possible exposure from environment loss contingencies		$ 98.0