SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Change in accounting estimates (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014
Accounting Policies [Abstract]
Decrease in depreciation	$ 4.6	$ 13.8
income impact from change of estimates	$ 4.5	$ 8.6