SHARE-BASED COMPENSATION (Narrative) (Detail) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended																0 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Non-Vested Stock and Non-Vested Stock Units Directors	Dec. 31, 2012 Non-Vested Stock and Non-Vested Stock Units	Dec. 31, 2011 Non-Vested Stock and Non-Vested Stock Units	Dec. 31, 2013 1993 Plan	Dec. 31, 2012 1993 Plan	Dec. 31, 2013 Stock Options And Stock-Settled SARS	Dec. 31, 2012 Stock Options And Stock-Settled SARS	Dec. 31, 2011 Stock Options And Stock-Settled SARS	Dec. 31, 2013 Cash-Settled SARS	Dec. 31, 2012 Cash-Settled SARS	Dec. 31, 2011 Cash-Settled SARS	Dec. 31, 2013 Non-Vested Stock Units	Dec. 31, 2013 Non Vested Stock [Member] [Domain]	Jun. 30, 2012 Accounted for as Liability Awards	Dec. 31, 2013 Accounted for as Liability Awards	Dec. 31, 2012 Accounted for as Liability Awards	Dec. 31, 2013 Equity Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for issuance for all outstanding share-based compensation grants							2,300,000
Shares reserved for issuance							4,800,000
Stock awards granted	287,845
Weighted-average grant-date fair value	$ 26.56	$ 19.91	$ 20.83
Compensation cost recognized				$ 3.5	$ 3.4	$ 2.4			$ 7.7	$ 7.6	$ 6.9	$ 0.9	$ 1.2	$ (1.2)
Total intrinsic value of stock options and stock-settled SARS exercised									27.5	26.3	7.9
Total fair value of stock options and stock-settled SARS vested									7.7	6.6	6.8
Total unrecognized compensation cost				2.6					4.8
Weighted-average period to recognize total unrecognized compensation cost (years)				1 year 9 months 18 days					1 year 3 months 18 days
Vesting period for majority of awards (years)									3 years
Tax benefits realized									9.7	8.0	2.7
Cash received from stock options exercised	23.5	28.0	8.1						23.5	28.0	8.1
Intrinsic value and cash used to settle exercises of cash-settled SARS												1.4	0.8	0.1
Liability related to cash-settled SARS												1.2	1.7
Non-vested stock and stock units grants	47,894														37,499	10,395
Number of directors who were granted non-vested stock				9
Granted, Weighted Average Grant Date Fair Value Per Unit	$ 71.48
Compensation cost related to all share-based compensation arrangements							0.5	0.4
Employment relationship termination period	2 years
Additional paid-in capital representing excess tax benefits available to absorb potential future tax deficiencies							81.7	77.2
Recorded liability reclassification between equity award and liability awards																	2.9			2.3
Reclassification of previously recognized expense out of additional paid in capital		3.7															1.7
Additional reclassification expenses recognized																	1.2
Stock Option Grant Component Percentage Of Market Price									100.00%
Share Based Compensation Awards Contractual Lives									10 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period	108,389																		88,611
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	26,788																		25,015
StockBasedCompensationNetOfLiabilityAward																		$ 0	$ 4.1