EMPLOYEE BENEFIT PLANS Fair Value Of Plan Assets (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended																																																																																																																													12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009	Dec. 31, 2011 Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2011 Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2011 Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2011 Cash and Cash Equivalents [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Cash and Cash Equivalents [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2011 Cash and Cash Equivalents [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Cash and Cash Equivalents [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2011 Cash and Cash Equivalents [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Cash and Cash Equivalents [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Cash and Cash Equivalents [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Cash and Cash Equivalents [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2011 Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2011 Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2011 Debt Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Debt Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2011 Debt Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Debt Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2011 Debt Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Debt Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Debt Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Debt Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2011 Consumer Discretionary [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Consumer Discretionary [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2011 Consumer Staples [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Consumer Staples [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2011 Consumer Staples [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Consumer Staples [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2011 Consumer Staples [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Consumer Staples [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Consumer Staples [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Consumer Staples [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2011 Energy [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Energy [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2011 Energy [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Energy [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2011 Energy [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Energy [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Energy [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Energy [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2011 Inforrmation Technology [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Inforrmation Technology [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2011 Inforrmation Technology [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Inforrmation Technology [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2011 Inforrmation Technology [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Inforrmation Technology [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Inforrmation Technology [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Inforrmation Technology [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2011 Telecommunication [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Telecommunication [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2011 Telecommunication [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Telecommunication [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2011 Telecommunication [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Telecommunication [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Telecommunication [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Telecommunication [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2011 Financials [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Financials [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2011 Financials [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Financials [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2011 Financials [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Financials [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Financials [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Financials [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2011 Utilities [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Utilities [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2011 Utilities [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Utilities [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2011 Utilities [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Utilities [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Utilities [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Utilities [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2011 Materials [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Materials [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2011 Materials [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Materials [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2011 Materials [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Materials [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Materials [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Materials [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2011 Health Care [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Health Care [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2011 Health Care [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Health Care [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2011 Health Care [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Health Care [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Health Care [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Health Care [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2011 Industrials [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Industrials [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2011 Industrials [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Industrials [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2011 Industrials [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Industrials [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Industrials [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Industrials [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2011 Rights To Purchase Securities [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Rights To Purchase Securities [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2011 Rights To Purchase Securities [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Rights To Purchase Securities [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2011 Rights To Purchase Securities [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Rights To Purchase Securities [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Rights To Purchase Securities [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Rights To Purchase Securities [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2011 Equity Funds [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Equity Funds [Member] Equity Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2011 Equity Funds [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Equity Funds [Member] Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2011 Equity Funds [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Equity Funds [Member] Equity Securities [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Equity Funds [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Equity Funds [Member] Equity Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2012 Executives Directors And Officer Of Acquired Entities [Member]	Dec. 31, 2010 Executives Directors And Officer Of Acquired Entities [Member]	Dec. 31, 2011 Executives Directors And Officer Of Acquired Entities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	$ 429,505		$ 433,467		$ 387,411	$ 429,505	$ 433,467	$ 276,072	$ 283,417	$ 153,432	$ 150,050	$ 0	$ 0	$ 5,002	$ 2,300	$ 5,002	$ 2,300	$ 0	$ 0	$ 0	$ 0	$ 24,003	$ 26,880	$ 0	$ 0	$ 0	$ 0	$ 153,433	$ 150,050	$ 0	$ 0	$ 153,432	$ 150,050	$ 0	$ 0	$ 24,003	$ 26,880	$ 15,257	$ 9,046	$ 15,257	$ 9,046	$ 0	$ 0	$ 0	$ 0	$ 27,857	$ 20,616	$ 27,857	$ 20,616	$ 0	$ 0	$ 0	$ 0	$ 35,206	$ 46,194	$ 35,206	$ 46,194	$ 0	$ 0	$ 0	$ 0	$ 4,888	$ 4,633	$ 4,888	$ 4,633	$ 0	$ 0	$ 0	$ 0	$ 31,185	$ 29,344	$ 31,185	$ 29,344	$ 0	$ 0	$ 0	$ 0	$ 6,263	$ 5,260	$ 6,263	$ 5,260	$ 0	$ 0	$ 0	$ 0	$ 10,548	$ 13,707	$ 10,548	$ 13,707	$ 0	$ 0	$ 0	$ 0	$ 30,195	$ 29,640	$ 30,195	$ 29,640	$ 0	$ 0	$ 0	$ 0	$ 21,451	$ 20,366	$ 21,451	$ 20,366	$ 0	$ 0	$ 0	$ 0	$ 3,724	$ 30,724	$ 3,724	$ 30,724	$ 0	$ 0	$ 0	$ 0	$ 60,493	$ 44,707	$ 60,493	$ 44,707	$ 0	$ 0	$ 0	$ 0
Cash and equivalents Target Allocation	1.00%		1.00%
Equity securities Target Allocation Minimum	55.00%	[1]	55.00%	[1]
Equity securities Target Allocation Maximum	65.00%	[1]	65.00%	[1]
Debt securities Target Allocation Minimum	34.00%	[2]	34.00%	[2]
Debt securities Target Allocation Maximum	44.00%	[2]	44.00%	[2]
Total pension assets Target Allocation	100.00%		100.00%
Cash and equivalents Actual % of Plan Assets	1.00%		1.00%
Equity securities Actual % of Plan Assets	63.00%	[3]	61.00%	[3]
Debt securities Actual % of Plan Assets	36.00%	[2]	38.00%	[2]
Total penstion assets Actual % of Plan Assets	100.00%		100.00%
Present Value Of Accrued Liabilitiy [Roll Forward]
Present value of accrued liability as of January 1																																																																																																																														25,586	22,949
Benefit expense																																																																																																																														1,799	105
Benefits paid	(13,463)		(12,221)																																																																																																																											(1,877)	(2,064)
Interest cost	23,810		22,930																																																																																																																											2,637	2,037
Present value of accrued liability as of December 31																																																																																																																															$ 23,027
Discount rate at December 31	4.75%		5.50%																																																																																																																												5.50%	4.75%

[1] This category includes investments in equity securities of large, small and medium sized companies from various industries.

[2] This category represents investment grade bonds from diverse industries.

[3] This category includes investments in equity securities of large, small and medium sized companies from various industries