EMPLOYEE BENEFIT PLANS Deferred Compensation Plans (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Management and Directors Deferred Compensation Plan [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Assets of the deferred compensation plan	$ 1.0	$ 1.0
Acquired Individual Deferred Compensation Arrangement [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Assets of the deferred compensation plan	0.5	0.4
Liabilities of deferred compensation plan	$ 2.9	$ 2.4