GOODWILL AND OTHER INTANGIBLE ASSETS (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]
Changes in the carrying amount of goodwill	$ 0	$ 0
Goodwill impairment loss	0
Contractual service agreements
Contractual service agreements, gross carrying amount	15.6
Contractual service agreements, accumulated amortization	1.8
Contractual service agreements, net carrying amount	13.8
Amortization period	P6Y
Amortization expense for the next five fiscal years
Future amortization expense period	5 years
Depreciation and amortization
Contractual service agreements
Amortization expense	1.8
Amortization expense for the next five fiscal years
Amortization expense, 2014	2.2
Amortization expense, 2015	2.2
Amortization expense, 2016	2.2
Amortization expense, 2017	2.2
Amortization expense, 2018	$ 2.2