Tax Effects of Temporary Differences Representing Deferred Tax Assets And Liabilities (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Assets:
Accrued expenses	$ 188.4	$ 179.9
Postretirement benefit plans		64.4
Net operating loss carryforwards	78.2	64.2
Allowance for losses on receivables	47.0	50.4
Other	88.4	83.3
Deferred Tax Assets, Gross, Total	402.0	442.2
Valuation allowance	(43.9)	(21.2)
Deferred Tax Assets Net	358.1	421.0
Liabilities:
Financial Services leasing depreciation	(851.8)	(775.8)
Depreciation and amortization	(296.1)	(241.4)
Postretirement benefit plans	(51.3)
Other	(5.4)	(14.1)
Deferred Tax Liabilities	(1,204.6)	(1,031.3)
Net deferred tax liability	$ (846.5)	$ (610.3)