EMPLOYEE BENEFIT PLANS Deferred Compensation Plans (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Management and Directors Deferred Compensation Plan [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Assets of the deferred compensation plan	$ 0.5	$ 0.6
Acquired Individual Deferred Compensation Arrangement [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Assets of the deferred compensation plan	1.5	3.0
Liabilities of deferred compensation plan	$ 5.4	$ 7.3