Accumulated Other Comprehensive Income ("AOCI") (Schedule of Items Reclassified to Statement of Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
(Income)/Expense related to interest rate swaps included in Income before taxes	$ 61,787	$ (117,089)	$ (160,456)
Income tax effect	(4,828)	29,034	48,846
Effect on net income due to items reclassified from Accumulated Other Comprehensive Income	57,342	(87,623)	(111,120)
Other (income)/expense, net	5,079	1,721	(6,163)
Reclassification out of Accumulated Other Comprehensive Income | Derivative valuation adjustment
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
(Income)/Expense related to interest rate swaps included in Income before taxes	(269)	(13,547)	(15,062)
Income tax effect	62	3,419	3,811
Effect on net income due to items reclassified from Accumulated Other Comprehensive Income	(207)	(10,128)	(11,251)
Reclassification out of Accumulated Other Comprehensive Income | Pension and postretirement liability adjustments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax effect	(210)	(153)	904
Effect on net income due to items reclassified from Accumulated Other Comprehensive Income	791	310	(1,835)
Other (income)/expense, net	1,001	463	(2,739)
Reclassification out of Accumulated Other Comprehensive Income | Amortization of prior service credit
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other (income)/expense, net	(150)	(150)	(4,122)
Reclassification out of Accumulated Other Comprehensive Income | Amortization of net actuarial loss
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other (income)/expense, net	$ 1,151	$ 613	$ 1,383