COMMITMENTS AND CONTINGENCIES (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended				3 Months Ended	0 Months Ended	2 Months Ended	0 Months Ended
	Feb. 22, 2013	Sep. 20, 2012 item	Sep. 17, 2014 item	Oct. 15, 2012 item	Mar. 31, 2015	Aug. 05, 2014	Oct. 05, 2014 item	Oct. 05, 2014	Dec. 31, 2014
Pipelines & Terminals
Commitments and Contingencies Disclosure
Litigation contingency reserve									$ 40.0
FERC Docket No. OR12-28 - Airlines Complaint against Buckeye Pipe Line Company, L.P. ("BPLC") New York City Jet Fuel Rates
Commitments and Contingencies Disclosure
New York City airports included in legal action		3
Past charges, maximum potential look-back period for repayment	2 years
FERC Docket No OR14-41-New York City Jet Fuel Rates
Commitments and Contingencies Disclosure
New York City airports included in legal action			3
FERC Docket No OR14-41-New York City Jet Fuel Rates | Maximum
Commitments and Contingencies Disclosure
Number of years prior to the filing date of the complaint			2 years
FERC Docket No. OR13-3 - BPLC's Market-Based Rate Application
Commitments and Contingencies Disclosure
Number of origin points				3
Number of destinations				5
BORCO facility jetty collision damage
Commitments and Contingencies Disclosure
Insurance deductible					5.0
Limitation claimed by defendant to damages sought in legal proceedings					17.0
Cost of repairs					23.0
Loss on disposal to assets destroyed, recorded receivable for loss on disposal					6.2
Proceeds from insurance reimbursements					16.0
Deferred gain representing excess proceeds received over loss on disposal and other costs incurred					14.1
Gain recognized during the period					0
Pennsauken Allisions
Commitments and Contingencies Disclosure
Insurance deductible						10.0	10.0	10.0
Limitation claimed by defendant to damages sought in legal proceedings						17.0
Loss on disposal to assets destroyed, recorded receivable for loss on disposal					6.0
Number of allisions							2
Number of berths being modified					2
Loss of use number of days deductible					30 days
Pennsauken Allisions | Minimum
Commitments and Contingencies Disclosure
Cost of repairs					4.0	5.0		10.0
Pennsauken Allisions | Maximum
Commitments and Contingencies Disclosure
Cost of repairs					5.0	10.0		12.0
Pennsauken Allisions Tug Owner
Commitments and Contingencies Disclosure
Limitation claimed by defendant to damages sought in legal proceedings								1.0
Pennsauken Allisions Barge Owner
Commitments and Contingencies Disclosure
Limitation claimed by defendant to damages sought in legal proceedings								$ 5.0