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RESTRUCTURING OF OPERATIONS (Aggregate Pre-Tax Restructuring Charges) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring charges (credits)	$ 0.3	$ (0.2)	$ 21.2
Manufacturing Cost Of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (credits)	(0.2)	(0.2)
Selling And Technical Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (credits)	0.2
Administrative And General [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (credits)	$ 0.3

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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