STOCK COMPENSATION PLANS (Details 2) (USD $) In Millions, except Share data, unless otherwise specified						12 Months Ended							12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013 Restricted Stock	Dec. 31, 2012 Restricted Stock	Dec. 31, 2011 Restricted Stock	Dec. 31, 2010 Restricted Stock	Dec. 31, 2013 Restricted Stock Time-based restricted stock	Dec. 31, 2012 Restricted Stock Time-based restricted stock	Dec. 31, 2011 Restricted Stock Time-based restricted stock	Dec. 31, 2013 Restricted Stock Time-based restricted stock Minimum	Dec. 31, 2013 Restricted Stock Time-based restricted stock Maximum	Dec. 31, 2013 Restricted Stock Performance-based restricted stock	Dec. 31, 2013 Restricted Stock Performance-based restricted stock vesting upon meeting of performance targets	Dec. 31, 2013 Restricted Stock Performance-based restricted stock vesting over three years upon meeting of performance targets
Stock Compensation Plans
Number of shares outstanding	1,216,524	1,216,524	1,698,281	1,675,730	1,230,582	609,074					607,450	505,944	101,506
Vesting period									3 years	5 years			3 years
Compensation expense						$ 8.5	$ 5.7	$ 7.6
Income tax benefit recognized related to the compensation expense						3.4	2.2	3.2
Total unrecognized compensation expense						$ 9.2						$ 17.5	$ 2.4
Expected weighted-average period for recognition of compensation costs						1 year 6 months
Outstanding awards for which compensation expense not yet recognized (in shares)											505,944