Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues	$ 628,935	$ 678,779
Costs and expenses:
Operating	146,025	143,296
Cost of product sales	169,094	199,592
Depreciation, amortization and impairment	61,871	51,879
General and administrative	45,995	46,556
Total costs and expenses	422,985	441,323
Other income	6,941	0
Earnings of non-controlled entities	31,255	34,538
Operating profit	244,146	271,994
Interest expense	60,166	56,652
Interest capitalized	(3,454)	(4,647)
Interest income	(1,660)	(579)
Gain on disposition of assets	(21,788)	0
Other expense	2,050	8,724
Income before provision for income taxes	208,832	211,844
Provision for income taxes	1,169	934
Net income	$ 207,663	$ 210,910
Basic net income per limited partner unit (in dollars per share)	$ 0.91	$ 0.92
Diluted net income per limited partner unit (in dollars per share)	$ 0.91	$ 0.92
Weighted average number of limited partner units outstanding used for basic net income per unit calculation (in dollars per share)	228,558	228,320
Weighted average number of limited partner units outstanding used for diluted net income per unit calculation (in dollars per share)	228,558	228,360
Service [Member]
Revenues	$ 460,792	$ 431,937
Product [Member]
Revenues	162,995	241,592
Product and Service, Other [Member]
Revenues	$ 5,148	$ 5,250