Leases (Tables)

12 Months Ended

Dec. 31, 2024

Leases [Abstract]

Schedule of Components of Lease Expense

The components of lease expense were as follows:

Year Ended December 31,		2024		2023		2022
Finance lease cost
Amortization of right-of-use assets and interest	$	.6	$	1.1	$	.9
Operating lease cost		23.4		17.5		15.5
Short-term lease cost		2.7		3.7		2.4
Variable lease cost		2.9		2.4		1.2
Total lease cost	$	29.6	$	24.7	$	20.0

Schedule of Balance Sheet Information Related to Leases

Balance sheet information related to leases was as follows:

	2024				2023
At December 31,	OPERATING LEASES		FINANCE LEASES		OPERATING LEASES		FINANCE LEASES
TRUCK, PARTS AND OTHER:
Other noncurrent assets	$	65.6	$	1.7	$	64.9	$	2.5
FINANCIAL SERVICES:
Other assets		4.8				6.0
Total right-of-use assets	$	70.4	$	1.7	$	70.9	$	2.5
TRUCK, PARTS AND OTHER:
Accounts payable, accrued expenses and other	$	16.3	$	.7	$	14.2	$	.8
Other liabilities		50.6		.9		51.6		1.6
FINANCIAL SERVICES:
Accounts payable, accrued expenses and other		1.7				1.8
Deferred taxes and other liabilities		2.9				3.9
Total lease liabilities	$	71.5	$	1.6	$	71.5	$	2.4

Schedule of Weighted-Average Remaining Lease Term and Discount Rate

The weighted-average remaining lease term and discount rate were as follows at December 31:

	2024						2023
	OPERATING LEASES			FINANCE LEASES			OPERATING LEASES			FINANCE LEASES
Weighted-average remaining lease term	5.1 years			2.5 years			5.7 years			3.1 years
Weighted-average discount rate		4.6	%		2.0	%		4.0	%		2.3	%

Schedule of Maturities of Lease Liabilities

Maturities of lease liabilities are as follows:

Beginning January 1,	OPERATING LEASES			FINANCE LEASES
2025	$	20.2		$	.8
2026		18.0			.7
2027		14.1			.1
2028		9.2			.1
2029		5.4
Thereafter		13.0
Total lease payments		79.9			1.7
Less: interest		(8.4	)		(.1	)
Total lease liabilities	$	71.5		$	1.6

Schedule of Cash Flow Information Related to Leases

Cash flow information related to leases was as follows:

Year Ended December 31,		2024		2023		2022
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	27.0	$	17.0	$	15.9
Financing cash flows from finance leases		.6		1.1		1.0
Right-of-use assets obtained in exchange for lease liabilities
Operating leases		27.1		39.5		17.0
Finance leases				1.3		2.9