Supplementary Data Redeemable Noncontrolling Interests (Details) - USD ($)	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Redeemable Noncontrolling Interests [Abstract]
Redeemable noncontrolling interests	$ 42,800,000	$ 45,500,000	$ 42,300,000	$ 38,300,000
Noncontrolling interest related to redeemable noncontrolling interests	400,000	(100,000)
Additions	2,700,000	7,400,000
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests	(6,100,000)	(400,000)
Redemption value adjustments	3,600,000	0
Temporary Equity, Foreign Currency Translation Adjustments	$ (100,000)	$ 300,000