Tax Effects of Temporary Differences Representing Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Assets:
Accrued expenses	$ 203.5	$ 179.4
Net operating loss and tax credit carryforwards	132.0	112.1
Postretirement benefit plans	4.9	0.0
Allowance for losses on receivables	31.4	30.7
Goodwill and intangibles	18.7	24.2
Other	103.3	102.0
Deferred Tax Assets, Gross, Total	493.8	448.4
Valuation allowance	(118.5)	(118.3)
Deferred Tax Assets, Net of Valuation Allowance, Total	375.3	330.1
Liabilities:
Financial Services leasing depreciation	(777.5)	(676.4)
Depreciation and amortization	(159.4)	(145.2)
Postretirement benefit plans	0.0	(8.0)
Other	(28.9)	(32.9)
Deferred Tax Liability, Total	(965.8)	(862.5)
Net deferred tax liability	$ (590.5)	$ (532.4)