DERIVATIVE INSTRUMENTS (Narrative) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Forward Commitments [Member]
Derivative [Line Items]
Notional amount	$ 120.7	$ 220.9
Difference in carrying value and fair value, reflecting a loss	2.2	4.4
Loan/Lease Interest Rate Swaps [Member]
Derivative [Line Items]
Notional amount	438.0	483.0
Average maturity	55 months	60 months
Average interest receive rate	2.50%	2.50%
Average interest pay rate	5.60%	5.80%
Fixed Rate Mortgages [Member]
Derivative [Line Items]
Notional amount	88.5	251.5
Difference in carrying value and fair value, reflecting a gain	$ 2.3	$ 7.1