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EMPLOYEE RETIREMENT PLANS (Details 2) (Defined contribution plans, USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2014
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Jun. 30, 2013
|
Jun. 30, 2014
|
Jun. 30, 2013
|
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Defined contribution plans
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| Employee retirement plans | ||||
| Expense related to the defined contribution plans | $ 3.2 | $ 3.6 | $ 7.5 | $ 7.3 |