DEBT (Narrative) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			0 Months Ended		3 Months Ended			3 Months Ended		3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Mar. 12, 2013 3.5% notes due April 1, 2023	Mar. 31, 2014 3.5% notes due April 1, 2023	Mar. 31, 2013 4.6% Notes Due July 1, 2013	Mar. 31, 2013 6.0% notes due October 1, 2015	Mar. 31, 2014 6.0% notes due October 1, 2015	Mar. 31, 2013 8.95% notes due July 1, 2017	Mar. 31, 2014 8.95% notes due July 1, 2017	Mar. 31, 2014 Five-year revolving credit line due June 2018
Debt Instrument [Line Items]
Carrying value of notes repurchased						$ 135.2	$ 107.8		$ 85.1
Proceeds from long-term debt	0.2	624.4		400.0
Debt Instrument, Interest Rate, Stated Percentage					3.50%	4.60%		6.00%		8.95%
Proceeds from Debt, Net of Issuance Costs				394.6
Price of notes repurchased						136.8	121.1		108.3
Interest Payable						1.5	3.1		1.8
Loss on early extinguishment of debt	0	39.4
Current borrowing of unsecured five-year revolving credit facility											0
Remaining borrowing of unsecured five-year revolving credit facility											400.0
Fair value of debt	$ 746.0		$ 731.2
Weighted-average interest rate	5.33%	4.69%
Weighted-average interest rate on short-term borrowings	0.00%	2.39%