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DEFINED BENEFIT PLANS (Details) (Defined benefit pension plans, USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Defined benefit pension plans
       
Components of net periodic benefit cost        
Service cost $ 1.8 $ 1.9 $ 3.5 $ 3.9
Interest cost 0.6 0.5 1.2 1.0
Expected return on plan assets (0.5) (0.3) (0.9) (0.6)
Amortization of actuarial loss, prior service credit and other   0.3 0.1 0.5
Net periodic benefit cost $ 1.9 $ 2.4 $ 3.9 $ 4.8