Assets and Liabilities Fair Value Measurements (Detail) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Assets:
Derivative contracts	$ 0.5	$ 10.3
Liabilities:
Derivative contracts	20.9	18.0
Fair Value, Inputs, Level 2 \| Fair Value Measurements, Nonrecurring
Assets:
Impaired loans, net of specific reserves		2.9
Used trucks held for sale	0.6	3.3
Fair Value, Inputs, Level 2 \| Fair Value, Assets and Liabilities Measured on Recurring Basis
Assets:
Derivative contracts	0.5	10.3
Liabilities:
Derivative contracts	$ 20.9	$ 18.0

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Fair value portion of assets classified as held for sale.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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