STOCK-BASED PLANS (Details 2) (Restricted stock, USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended	1 Months Ended		3 Months Ended	9 Months Ended
	Sep. 30, 2014	Feb. 28, 2014 Total shareholder return through 2018 Key employees	Feb. 28, 2014 Vest on December 31, 2018 Key employees	Sep. 30, 2014 General and administrative expenses	Sep. 30, 2014 General and administrative expenses
Stock-based plans
Recognized compensation expense				$ 1.1	$ 2.9
Unamortized restricted stock expense	$ 11.4
Weighted-average period for recognition of unamortized restricted stock expense	3 years 6 months
Restricted stock activity
Restricted stock outstanding at the beginning of the period (in shares)	122,332
Granted (in shares)	61,750
Vested (in shares)	(11,394)
Restricted stock outstanding at the end of the period (in shares)	172,688
Weighted Average Grant Date Fair Value
Restricted stock outstanding at the beginning of the period (in dollars per share)	$ 75.21
Granted (in dollars per share)	$ 126.38
Vested (in dollars per share)	$ 97.72
Restricted stock outstanding at the end of the period (in dollars per share)	$ 92.02
Percentage of awards vesting		50.00%	50.00%