Equities (Tables)

3 Months Ended

Nov. 30, 2023

Class of Stock [Line Items]

Schedule of Accumulated Other Comprehensive Income (Loss)

	Pension and Other Postretirement Benefits		Cash Flow Hedges		Foreign Currency Translation Adjustment		Total
	(Dollars in thousands)
Balance as of August 31, 2023, net of tax	$	(173,925)	$	2,032	$	(93,502)	$	(265,395)
Other comprehensive income (loss), before tax:
Amounts before reclassifications	—		2,280		(3,350)		(1,070)
Amounts reclassified	23		(7,790)		—		(7,767)
Total other comprehensive income (loss), before tax	23		(5,510)		(3,350)		(8,837)
Tax effect	(6)		1,349		192		1,535
Other comprehensive income (loss), net of tax	17		(4,161)		(3,158)		(7,302)
Balance as of November 30, 2023, net of tax	$	(173,908)	$	(2,129)	$	(96,660)	$	(272,697)

	Pension and Other Postretirement Benefits		Cash Flow Hedges		Foreign Currency Translation Adjustment		Total
	(Dollars in thousands)
Balance as of August 31, 2022, net of tax	$	(168,640)	$	8,843	$	(95,538)	$	(255,335)
Other comprehensive income (loss), before tax:
Amounts before reclassifications	(66)		(33,899)		(2,227)		(36,192)
Amounts reclassified	5,560		7,229		—		12,789
Total other comprehensive income (loss), before tax	5,494		(26,670)		(2,227)		(23,403)
Tax effect	3,030		6,463		292		9,785
Other comprehensive income (loss), net of tax	8,524		(20,207)		(1,935)		(13,618)
Balance as of November 30, 2022, net of tax	$	(160,116)	$	(11,364)	$	(97,473)	$	(268,953)

Preferred Stock [Text Block]

Preferred Stock Dividends

    The following is a summary of dividends declared per share by series of preferred stock for the three months ended November 30, 2023 and 2022.

		Three Months Ended November 30,
	Nasdaq symbol	2023		2022
Series of preferred stock:		(Dollars per share)
8% Cumulative Redeemable	CHSCP	$	1.00	$	1.00
Class B Cumulative Redeemable, Series 1	CHSCO	$	0.98	$	0.98
Class B Reset Rate Cumulative Redeemable, Series 2	CHSCN	$	0.88	$	0.88
Class B Reset Rate Cumulative Redeemable, Series 3	CHSCM	$	0.84	$	0.84
Class B Cumulative Redeemable, Series 4	CHSCL	$	0.94	$	0.94