CONSOLIDATED STATEMENTS OF CHANGES IN PARTNERS' CAPITAL (UNAUDITED) - USD ($) $ in Millions	Total	Limited Partner Class A Shares	Noncontrolling Interest
Balance, beginning of period at Dec. 31, 2021	$ 753.1	$ 204.1	$ 549.0
Net income	159.6	16.9	142.7
Equity-based compensation	0.5	0.5
Distributions to unitholders	(131.0)	(17.5)	(113.5)
Transaction costs	(0.4)	(0.1)	(0.3)
Balance, end of period at Mar. 31, 2022	781.8	203.9	577.9
Balance, beginning of period at Dec. 31, 2021	753.1	204.1	549.0
Net income	311.4
Balance, end of period at Jun. 30, 2022	487.5	248.7	238.8
Balance, beginning of period at Mar. 31, 2022	781.8	203.9	577.9
Net income	151.8	22.0	129.8
Equity-based compensation	0.4	0.4
Distributions to unitholders	(131.8)	(24.2)	(107.6)
Recognition of deferred tax asset	86.4	86.4
Sales of shares held by Sponsors		27.0	(27.0)
Class B unit repurchase	(400.0)	(66.6)	(333.4)
Transaction costs	(1.1)	(0.2)	(0.9)
Balance, end of period at Jun. 30, 2022	487.5	248.7	238.8
Balance, beginning of period at Dec. 31, 2022	529.0	245.1	283.9
Net income	142.2	20.7	121.5
Equity-based compensation	0.6	0.6
Distributions to unitholders	(136.7)	(25.1)	(111.6)
Recognition of deferred tax asset	4.3	4.3
Class B unit repurchase	(100.0)	(17.5)	(82.5)
Transaction costs	(0.9)	(0.2)	(0.7)
Balance, end of period at Mar. 31, 2023	438.5	227.9	210.6
Balance, beginning of period at Dec. 31, 2022	529.0	245.1	283.9
Net income	290.1
Balance, end of period at Jun. 30, 2023	434.8	302.1	132.7
Balance, beginning of period at Mar. 31, 2023	438.5	227.9	210.6
Net income	147.9	25.1	122.8
Equity-based compensation	0.4	0.4
Distributions to unitholders	(138.3)	(25.9)	(112.4)
Recognition of deferred tax asset	87.2	87.2
Sales of shares held by Sponsors		11.0	(11.0)
Class B unit repurchase	(100.0)	(23.4)	(76.6)
Transaction costs	(0.9)	(0.2)	(0.7)
Balance, end of period at Jun. 30, 2023	$ 434.8	$ 302.1	$ 132.7