INCOME TAXES (Deferred Tax Assets and Liabilities) (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred tax assets:
Allowance for bad debts	$ 0.3	$ 0.5
Self insurance accruals	16.6	17.9
Operating accruals	9.7	10.2
Environmental accruals	22.2	25.9
Pension and postretirement benefit liabilities	57.9	103.9
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits	28.8	36.0
Tax credit carry forwards	60.1	44.9
Net operating losses	20.2	19.7
Inventory	8.5	2.6
Capital loss carryforward	104.9	0
Other	1.7	0
Gross deferred tax assets	330.9	261.6
Valuation allowance	(125.9)	(21.0)
Total net deferred tax assets	205.0	240.6
Deferred tax liabilities:
Plants, equipment and facilities	(59.3)	(97.8)
Insurance receivables	(7.4)	(7.5)
Intangibles	(111.8)	(150.4)
Other	(0.9)	(9.1)
Gross deferred tax liabilities	(179.4)	(264.8)
Net deferred tax assets/(liabilities)	$ 25.6	$ (24.2)