CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenue:
Product sales	$ 792,187	$ 565,420
Transportation, storage and other services	390,918	403,853
Total revenue	1,183,105	969,273
Costs and expenses:
Cost of product sales	785,327	548,050
Operating expenses	154,868	161,422
Depreciation and amortization	64,138	65,488
General and administrative	23,289	21,737
Other, net	(14,030)	0
Total costs and expenses	1,013,592	796,697
Operating income	169,513	172,576
Other income (expense):
Earnings from equity investments	7,489	10,358
Interest and debt expense	(59,105)	(55,885)
Other expense	(315)	(518)
Total other expense, net	(51,931)	(46,045)
Income before taxes	117,582	126,531
Income tax expense	(490)	(222)
Net income	117,092	126,309
Less: Net income attributable to noncontrolling interests	(4,719)	(2,733)
Net income attributable to Buckeye Partners, L.P.	$ 112,373	$ 123,576
Earnings per unit attributable to Buckeye Partners, L.P.:
Basic (in dollars per share)	$ 0.75	$ 0.88
Diluted (in dollars per share)	$ 0.74	$ 0.88
Weighted average units outstanding:
Basic (in shares)	148,904	140,377
Diluted (in shares)	149,532	140,998