MORTGAGE LOANS AND NOTES PAYABLE (Schedule of Maturities) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Debt Instrument [Line Items]
Debt premium	$ 5.3		$ 2.3
Long-term debt	856.7		686.2
Mortgage Loans and Notes Payable [Member]
Debt Instrument [Line Items]
2014	38.7
2015	19.2
2016	43.8
2017	32.0
2018	22.3
Thereafter	246.4
Long-term debt, gross	402.4
Debt premium	5.3
Long-term debt	$ 407.7	[1]	$ 236.5	[1]

[1] The mortgage loan payable balances include unamortized debt premiums. Debt premiums represent the excess of the fair value of debt over the principal value of debt assumed in various acquisitions and are amortized into interest expense over the remaining term of the related debt in a manner that approximates the effective interest method. The unamortized loan premium as of December 31, 2013 and 2012 was $5.3 million and $2.3 million