Changes in Product Support Liabilities (Detail) - Truck, Parts and Other - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
WARRANTY RESERVES
Beginning balance	$ 380.2	$ 298.8
Cost accruals	91.1	74.6
Payments	(78.6)	(68.8)
Change in estimates for pre-existing warranties	(4.5)	10.8
Currency translation and other	(0.3)	6.2
Ending balance	387.9	321.6
DEFERRED REVENUES ON EXTENDED WARRANTIES AND R&M CONTRACTS
Beginning balance	699.9	653.9
Deferred revenues	129.4	115.1
Revenues recognized	(96.9)	(93.4)
Currency translation	(3.1)	10.4
Ending balance	$ 729.3	$ 686.0

Standard product warranty accrual currency translation and other.

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Amount as of the balance sheet date of the aggregate extended product warranty liability. Does not include the ending balance for the standard product warranty liability.

+ References

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-Publisher FASB
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Amount of foreign currency translation gain (loss) which decreases (increases) the extended product warranty accrual. Excludes standard product warranties.

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-Publisher FASB
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Amount of decrease in the extended product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the extended product warranty. Excludes standard product warranties.

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Amount of increase in the extended product warranty accrual from warranties issued. Excludes standard product warranties.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

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Amount of decrease in the standard product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard product warranty. Excludes extended product warranties.

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Amount of increase (decrease) in the standard product warranty accrual from changes in estimates attributable to preexisting product warranties. Excludes extended product warranties.

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Amount of increase in the standard product warranty accrual from warranties issued. Excludes extended product warranties.

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