v3.26.1
Equities - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Feb. 28, 2026
Feb. 28, 2025
Feb. 28, 2026
Feb. 28, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance $ 11,206,822 $ 10,818,388 $ 11,080,174 $ 10,761,924
Other comprehensive income (loss), net of tax 15,719 2,450 31,734 (5,810)
Ending balance 11,060,295 10,714,128 11,060,295 10,714,128
Total        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (290,357) (304,802) (306,372) (296,542)
Amounts before reclassifications 12,832 3,115 28,988 (2,598)
Amounts reclassified 4,079 (17) 4,207 (1,450)
Total other comprehensive income (loss), before tax 16,911 3,098 33,195 (4,048)
Tax effect (1,192) (648) (1,461) (1,762)
Other comprehensive income (loss), net of tax 15,719 2,450 31,734 (5,810)
Ending balance (274,638) (302,352) (274,638) (302,352)
Pension and Other Postretirement Benefits        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (197,282) (193,855) (199,578) (195,973)
Amounts before reclassifications 0 0 0 0
Amounts reclassified 4,574 3,260 7,606 6,065
Total other comprehensive income (loss), before tax 4,574 3,260 7,606 6,065
Tax effect (1,110) (799) (1,846) (1,486)
Other comprehensive income (loss), net of tax 3,464 2,461 5,760 4,579
Ending balance (193,818) (191,394) (193,818) (191,394)
Cash Flow Hedges        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance 1,503 3,258 2,763 1,777
Amounts before reclassifications 125 3,619 1,365 9,819
Amounts reclassified (495) (3,277) (3,399) (7,515)
Total other comprehensive income (loss), before tax (370) 342 (2,034) 2,304
Tax effect 90 (84) 494 (565)
Other comprehensive income (loss), net of tax (280) 258 (1,540) 1,739
Ending balance 1,223 3,516 1,223 3,516
Foreign Currency Translation Adjustment        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (94,578) (114,205) (109,557) (102,346)
Amounts before reclassifications 12,707 (504) 27,623 (12,417)
Amounts reclassified 0 0 0 0
Total other comprehensive income (loss), before tax 12,707 (504) 27,623 (12,417)
Tax effect (172) 235 (109) 289
Other comprehensive income (loss), net of tax 12,535 (269) 27,514 (12,128)
Ending balance $ (82,043) $ (114,474) $ (82,043) $ (114,474)