BENEFIT PLANS Information Related to the Contributions to the Company's Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 30, 2013
Pension Plans, Defined Benefit [Member]
Schedule of Employee Benefit Plans [Line Items]
Actual contributions through June 30, 2012	$ 6,609
Projected for the remainder of the year	6,183
Total for year	12,792
Other Postretirement Benefit Plans, Defined Benefit [Member]
Schedule of Employee Benefit Plans [Line Items]
Actual contributions through June 30, 2012	162
Projected for the remainder of the year	503
Total for year	$ 665

The increase in the fair value of plan assets from contributions made by the employer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)(3)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration