Business segment data operating revenues reconciliation (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 1,091,126	$ 1,009,749	$ 2,521,224	$ 2,116,864
Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	1,099,140	1,019,121	2,555,606	2,153,151
Corporate, Non-Segment
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	3,151	1,503	4,723	2,896
Intersegment Eliminations [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ (11,165)	$ (10,875)	$ (39,105)	$ (39,183)