BENEFIT PLANS Information Related to the Contributions to the Company's Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Pension Plans, Defined Benefit
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Actual contributions through March 31, 2015	$ 2,899
Projected for the remainder of the year	8,405
Defined Benefit Plan, Expected Contributions in Current Fiscal Year	11,304
Other Postretirement Benefit Plans, Defined Benefit
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Actual contributions through March 31, 2015	123
Projected for the remainder of the year	518
Defined Benefit Plan, Expected Contributions in Current Fiscal Year	$ 641