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, 2012
Pension Plans, Defined Benefit [Member]
Schedule of Employee Benefit Plans [Line Items]
Actual contributions through March 31, 2012	$ 3,404
Projected for the remainder of the year	8,782
Total for year	12,186
Other Postretirement Benefit Plans, Defined Benefit [Member]
Schedule of Employee Benefit Plans [Line Items]
Actual contributions through March 31, 2012	178
Projected for the remainder of the year	800
Total for year	$ 978