Equities (Tables)

12 Months Ended

Aug. 31, 2022

Equity [Abstract]

Schedule of Stock by Class [Table Text Block]

The following is a summary of our outstanding preferred stock as of August 31, 2022, all shares of which are listed and traded on the Global Select Market of The Nasdaq:

	Nasdaq Symbol	Issuance Date	Shares Outstanding	Redemption Value		Net Proceeds (a)		Dividend Rate  (b) (c)		Dividend Payment Frequency	Redeemable Beginning (d)
				(Dollars in millions)
8% Cumulative Redeemable	CHSCP	(e)	12,272,003	$	306.8	$	311.2	8.00	%	Quarterly	7/18/2023
Class B Cumulative Redeemable, Series 1	CHSCO	(f)	21,459,066	536.5		569.3		7.875	%	Quarterly	9/26/2023
Class B Reset Rate Cumulative Redeemable, Series 2	CHSCN	3/11/2014	16,800,000	420.0		406.2		7.10	%	Quarterly	3/31/2024
Class B Reset Rate Cumulative Redeemable, Series 3	CHSCM	9/15/2014	19,700,000	492.5		476.7		6.75	%	Quarterly	9/30/2024
Class B Cumulative Redeemable, Series 4	CHSCL	1/21/2015	20,700,000	517.5		501.0		7.50	%	Quarterly	1/21/2025

(a) Includes patron equities redeemed with preferred stock.

(b) The Class B Reset Rate Cumulative Redeemable Preferred Stock, Series 2 accumulates dividends at a rate of 7.10% per year until March 31, 2024, and then at a rate equal to the three-month benchmark interest rate plus 4.298%, not to exceed 8.00% per annum, subsequent to March 31, 2024.

(c) The Class B Reset Rate Cumulative Redeemable Preferred Stock, Series 3 accumulates dividends at a rate of 6.75% per year until September 30, 2024, and then at a rate equal to the three-month benchmark interest rate plus 4.155%, not to exceed 8.00% per annum, subsequent to September 30, 2024.

(d) Preferred stock is redeemable for cash at our option, in whole or in part, at a per share price equal to the per share liquidation preference of $25.00 per share, plus all dividends accumulated and unpaid on that share to and including the date of redemption, beginning on the dates set forth in this column.

(e) The 8% Cumulative Redeemable Preferred Stock was issued at various times from 2003 through 2010.

(f) Shares of Class B Cumulative Redeemable Preferred Stock, Series 1 were issued on September 26, 2013; August 25, 2014; March 31, 2016; and March 30, 2017.

The following is a summary of dividends per share by series of preferred stock for the years ended August 31, 2022 and 2021:

		Years Ended August 31,
	Nasdaq Symbol	2022		2021
		(Dollars per share)
8% Cumulative Redeemable	CHSCP	$	2.00	$	2.00
Class B Cumulative Redeemable, Series 1	CHSCO	1.97		1.97
Class B Reset Rate Cumulative Redeemable, Series 2	CHSCN	1.78		1.78
Class B Reset Rate Cumulative Redeemable, Series 3	CHSCM	1.69		1.69
Class B Cumulative Redeemable, Series 4	CHSCL	1.88		1.88

Schedule of Changes in Accumulated Other Comprehensive Income (Loss) by Component

Changes in accumulated other comprehensive income (loss) by component, for the years ended August 31, 2022, 2021 and 2020 are as follows:

	Pension and Other Postretirement Benefits		Cash Flow Hedges		Foreign Currency Translation Adjustment		Total
	(Dollars in thousands)
Balance as of August 31, 2019, net of tax	$	(172,478)	$	15,297	$	(69,752)	$	(226,933)
Other comprehensive income (loss), before tax:
Amounts before reclassifications	(4,751)		16,430		(17,021)		(5,342)
Amounts reclassified out	19,908		(22,291)		—		(2,383)
Total other comprehensive income (loss), before tax	15,157		(5,861)		(17,021)		(7,725)
Tax effect	(2,359)		1,450		1,643		734
Other comprehensive income (loss), net of tax	12,798		(4,411)		(15,378)		(6,991)
Balance as of August 31, 2020, net of tax	(159,680)		10,886		(85,130)		(233,924)
Other comprehensive income (loss), before tax:
Amounts before reclassifications	4,048		11,700		5,573		21,321
Amounts reclassified out	20,256		(19,753)		—		503
Total other comprehensive income (loss), before tax	24,304		(8,053)		5,573		21,824
Tax effect	(6,009)		1,991		(273)		(4,291)
Other comprehensive income (loss), net of tax	18,295		(6,062)		5,300		17,533
Balance as of August 31, 2021, net of tax	(141,385)		4,824		(79,830)		(216,391)
Other comprehensive income (loss), before tax:
Amounts before reclassifications	(52,163)		(2,161)		(15,809)		(70,133)
Amounts reclassified out	22,240		7,455		—		29,695
Total other comprehensive income (loss), before tax	(29,923)		5,294		(15,809)		(40,438)
Tax effect	2,668		(1,275)		101		1,494
Other comprehensive income (loss), net of tax	(27,255)		4,019		(15,708)		(38,944)
Balance as of August 31, 2022, net of tax	$	(168,640)	$	8,843	$	(95,538)	$	(255,335)