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Commitments and Contingencies (Details) - USD ($) $ in Millions			1 Months Ended		3 Months Ended	9 Months Ended
	Jun. 27, 2025	Jul. 30, 2018	Oct. 31, 2025	Jun. 30, 2025	Sep. 30, 2025	Sep. 30, 2025
Loss Contingencies [Line Items]
Commitment for property and equipment purchases					$ 82.1	$ 82.1
Abarca et al. v. Werner | Pending Litigation
Loss Contingencies [Line Items]
Gain (loss) from litigation settlement					(18.0)	(18.0)
Loss contingency, accrual, current					$ 18.0	$ 18.0
Subsequent Event | Abarca et al. v. Werner | Pending Litigation
Loss Contingencies [Line Items]
Loss contingency, damages sought, value			$ 18.0
May 17, 2018 Verdict
Loss Contingencies [Line Items]
Loss contingency, damages awarded, value		$ 92.0
Self insurance retained liability		$ 10.0
Gain (loss) from litigation settlement	$ 45.7
Reversal of loss contingency accrual carrying value, noncurrent				$ 79.2
Reversal of loss contingency receivable, noncurrent				$ 79.2

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