XML 68 R61.htm IDEA: XBRL DOCUMENT v3.24.3
Components of Accumulated Other Comprehensive Income (Changes in Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance, beginning of period $ 2,112,599 $ 2,233,169 $ 2,171,098 $ 2,263,153
Reclassifications from AOCI to earnings:        
Balance, end of period 2,052,025 2,239,097 2,052,025 2,239,097
Pension and Other Postretirement Employee Benefits [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance, beginning of period (19,384) (28,969) (18,925) (28,494)
Reclassifications from AOCI to earnings:        
Other [1] (307) (177) (918) (529)
Tax effect 77 45 229 133
Net of tax amount (230) (132) (689) (396)
Other reclassifications 0 0 0 (211)
Balance, end of period (19,614) (29,101) (19,614) (29,101)
Cash Flow Hedges [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance, beginning of period 141,493 126,530 121,957 126,146
Unrecognized gains (losses) arising in AOCI during the period:        
Gross (23,502) 34,334 7,695 43,207
Tax effect 372 (727) (121) (899)
Reclassifications from AOCI to earnings:        
Gross [2] (5,708) (5,266) (17,124) (13,829)
Tax effect 125 123 373 324
Net of tax amount (28,713) 28,464 (9,177) 28,803
Other reclassifications 0 0 0 45
Balance, end of period 112,780 154,994 112,780 154,994
Accumulated Other Comprehensive Income [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance, beginning of period 122,109 97,561 103,032 97,652
Reclassifications from AOCI to earnings:        
Balance, end of period $ 93,166 $ 125,893 $ 93,166 $ 125,893
[1] Included in the computation of net periodic pension costs.
[2] Included in Interest expense, net on the Condensed Consolidated Statement of Operations.