EMPLOYEE BENEFIT PLANS (Fair Value Of Postretirement Plan Assets By Asset Category) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended						12 Months Ended
	Dec. 31, 2013 Minimum	Dec. 31, 2013 Maximum	Dec. 31, 2013 Postretirement Plans	Dec. 31, 2012 Postretirement Plans	Dec. 31, 2011 Postretirement Plans	Dec. 31, 2010 Postretirement Plans	Dec. 31, 2013 S&P 500 Index Fund	Dec. 31, 2013 Cash And Cash Equivalents Postretirement Plans	Dec. 31, 2012 Cash And Cash Equivalents Postretirement Plans	Dec. 31, 2013 U.S. Equity Funds Postretirement Plans	Dec. 31, 2012 U.S. Equity Funds Postretirement Plans	Dec. 31, 2013 Fixed Income Funds Postretirement Plans	Dec. 31, 2012 Fixed Income Funds Postretirement Plans	Dec. 31, 2013 Quoted Prices In Active Markets For Identical Assets (Level 1) Postretirement Plans	Dec. 31, 2012 Quoted Prices In Active Markets For Identical Assets (Level 1) Postretirement Plans	Dec. 31, 2013 Quoted Prices In Active Markets For Identical Assets (Level 1) Cash And Cash Equivalents Postretirement Plans	Dec. 31, 2012 Quoted Prices In Active Markets For Identical Assets (Level 1) Cash And Cash Equivalents Postretirement Plans	Dec. 31, 2013 Quoted Prices In Active Markets For Identical Assets (Level 1) U.S. Equity Funds Postretirement Plans	Dec. 31, 2012 Quoted Prices In Active Markets For Identical Assets (Level 1) U.S. Equity Funds Postretirement Plans	Dec. 31, 2013 Quoted Prices In Active Markets For Identical Assets (Level 1) Fixed Income Funds Postretirement Plans	Dec. 31, 2012 Quoted Prices In Active Markets For Identical Assets (Level 1) Fixed Income Funds Postretirement Plans	Dec. 31, 2013 Significant Observable Inputs (Level 2) Postretirement Plans	Dec. 31, 2012 Significant Observable Inputs (Level 2) Postretirement Plans	Dec. 31, 2013 Significant Observable Inputs (Level 2) Cash And Cash Equivalents Postretirement Plans	Dec. 31, 2012 Significant Observable Inputs (Level 2) Cash And Cash Equivalents Postretirement Plans	Dec. 31, 2013 Significant Observable Inputs (Level 2) U.S. Equity Funds Postretirement Plans	Dec. 31, 2012 Significant Observable Inputs (Level 2) U.S. Equity Funds Postretirement Plans	Dec. 31, 2013 Significant Observable Inputs (Level 2) Fixed Income Funds Postretirement Plans	Dec. 31, 2012 Significant Observable Inputs (Level 2) Fixed Income Funds Postretirement Plans	Dec. 31, 2013 Significant Unobservable Inputs (Level 3)	Dec. 31, 2012 Significant Unobservable Inputs (Level 3)	Dec. 31, 2013 Significant Unobservable Inputs (Level 3) Postretirement Plans	Dec. 31, 2012 Significant Unobservable Inputs (Level 3) Postretirement Plans	Dec. 31, 2013 Significant Unobservable Inputs (Level 3) Cash And Cash Equivalents Postretirement Plans	Dec. 31, 2012 Significant Unobservable Inputs (Level 3) Cash And Cash Equivalents Postretirement Plans	Dec. 31, 2013 Significant Unobservable Inputs (Level 3) U.S. Equity Funds Postretirement Plans	Dec. 31, 2012 Significant Unobservable Inputs (Level 3) U.S. Equity Funds Postretirement Plans	Dec. 31, 2013 Significant Unobservable Inputs (Level 3) Fixed Income Funds Postretirement Plans	Dec. 31, 2012 Significant Unobservable Inputs (Level 3) Fixed Income Funds Postretirement Plans
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Fair value of plan assets			$ 25.8	$ 28.4	$ 28.8	$ 37.7		$ 1.9	$ 3.7	$ 10.8	$ 11.5	$ 13.1	$ 13.2	$ 25.8	$ 28.4	$ 1.9	$ 3.7	$ 10.8	$ 11.5	$ 13.1	$ 13.2	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 12.7	$ 10.5	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0
Percentage Of Investment In Public Traded Funds							100.00%
Investment Weighted Maturity Period	3 years	10 years