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Tax Effects of Temporary Differences of Assets and Liabilities (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Income Taxes
Employee benefits, Assets	$ 30.4	$ 67.5
Product liability and warranties, Assets	43.4	67.1
Inventories, Assets	0.0	0.0
Accounts receivable, Assets	16.5	14.9
Property, plant and equipment, Assets	0.0	0.0
Intangibles, Assets	0.0	0.0
Environmental, Assets	2.4	2.9
Undistributed foreign earnings, Assets	0.0	0.0
Tax loss and credit carryovers, Assets	19.8	18.2
All other, Assets	5.5	4.3
Valuation allowance, Assets	(15.0)	(13.1)
Assets	103.0	161.8
Employee benefits, Liabilities	0.0	0.0
Product liability and warranties, Liabilities	0.0	0.0
Inventories, Liabilities	2.0	3.4
Accounts receivable, Liabilities	0.0	0.0
Property, plant and equipment, Liabilities	31.1	34.3
Intangibles, Liabilities	54.3	77.4
Environmental, Liabilities	0.0	0.0
Undistributed foreign earnings, Liabilities	38.6	42.3
Tax loss and credit carryovers, Liabilities	0.0	0.0
All other, Liabilities	0.0	0.0
Valuation allowance, Liabilities	0.0	0.0
All other, Liabilities	126.0	157.4
Net asset	$ 23.0	$ 4.4

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The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from estimated environmental reserves, which can only be deducted for tax purposes when environmental losses are actually incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.

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