Debt - Narrative (Details) - USD ($) $ in Thousands		9 Months Ended
	Jul. 10, 2025	Sep. 30, 2025	Sep. 30, 2024
Debt Instrument [Line Items]
Repayments of Lines of Credit		$ 1,390,400	$ 1,274,400
Amended and Restated Credit Agreement | term loan credit facility
Debt Instrument [Line Items]
Term loan	$ 500,000
Credit Facility | Amended and Restated Credit Agreement
Debt Instrument [Line Items]
Borrowing capacity	1,300,000	1,300,000
Commitment increases (up to)	250,000
Available for borrowing		564,300
Credit Facility | Amended and Restated Credit Agreement | Revolving credit facility
Debt Instrument [Line Items]
Borrowing capacity	$ 800,000	800,000
Long-term debt		221,300	125,000
Credit Facility | Amended and Restated Credit Agreement | Standby letters of credit
Debt Instrument [Line Items]
Long-term debt		14,400
Credit Facility | Amended and Restated Credit Agreement | Unsecured Debt
Debt Instrument [Line Items]
SOFR adjustment	0.10%
Borrowing capacity	$ 500,000	500,000
Long-term debt		500,000	437,500
Credit Facility | Term facility | Unsecured Debt
Debt Instrument [Line Items]
SOFR adjustment	0.10%
Long-term debt		90,000	109,938
Quarterly installments	1.25%
Credit Facility | Receivables securitization facility
Debt Instrument [Line Items]
Long-term debt		241,300	$ 209,300
Term debt
Debt Instrument [Line Items]
Minimum borrowing capacity		210,000
Maximum borrowing capacity		$ 375,000