STOCK-BASED COMPENSATION (Details 2) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended			0 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 SEIP III	Sep. 30, 2012 SEIP III	Sep. 30, 2013 SEIP III	Sep. 30, 2012 SEIP III	Feb. 11, 2013 SEIP III Interim trigger date occurs by June 30, 2014	Feb. 11, 2013 SEIP III Interim trigger date occurs by June 30, 2014 February 2013 Trigger Achievement	Aug. 27, 2013 SEIP III Final trigger date occurs by June 30, 2016	Sep. 19, 2013 SEIP IV	Sep. 30, 2013 SEIP IV Interim trigger date occurs by September 30, 2015	Sep. 30, 2013 SEIP IV Final trigger date occurs by September 30, 2017
Stock-Based Compensation arrangements
Stock based compensation expense	$ 12.2	$ 10.4	$ 41.0	$ 23.4	$ 4.1	$ 1.6	$ 9.2	$ (0.1)
Interim goal price (in dollars per share)									$ 25				$ 55
Distribution to be made to company's employees due to achievement of interim goal price of $25 per share										6.8
Percentage of total interim distribution paid in February										25.00%
Current distribution to be made to company's employees due to achievement of interim goal price of $25 per share										1.7
Percentage of total interim distribution deferred										75.00%
Deferred distribution to be made to company's employees due to achievement of interim goal price of $25 per share										5.1
Final goal price (in dollars per share)											$ 37.50			$ 80
Distribution to be made to the company's employees due to achievement of interim goal price of $25 per share											11.1
Percentage of the total distribution paid in September 2013											25.00%
Current distribution to be made to the company's employees due to achievement of final goal price of $37.50 per share											2.8
Percentage of the total distribution to be paid in August 2014											75.00%
Deferred distribution to be made to the company's employees due to achievement of final goal price of $37.50 per share											$ 8.3
Number of trading days during which the closing price per share of the company's common stock equals or exceeds the goal price												20 days
Number of consecutive trading days												60 days