INCOME TAXES INCOME TAXES - Unrecognized Tax Benefits Reconciliation (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011		Dec. 31, 2010
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at the beginning of the year	$ 26,200,000	$ 28,600,000	[1]	$ 29,100,000	[1]
Tax positions related to prior years:
Additions	100,000	0		0
Reductions	0	(100,000)		0
Expiration of statutes of limitations	(400,000)	(2,300,000)		(500,000)
Balance at the end of the year	25,900,000	26,200,000		28,600,000	[1]
Change in Begining Balance		$ (400,000)		$ 1,500,000

[1] Unrecognized tax benefits have been revised to increase the 2010 beginning balance by $1.5 million and increase 2011 changes due to expiration of statues of limitations by $0.4 million. These revisions were made to correct previously reported amounts and are not considered material.