EMPLOYEE RETIREMENT PLANS (Details 7) (U.S. defined contribution plan, USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
U.S. defined contribution plan
Employee retirement plans
Expense related to the defined contribution plans	$ 15.7	$ 7.3	$ 5.8