Equities (Tables)

12 Months Ended

Aug. 31, 2020

Equity [Abstract]

Schedule of Stock by Class [Table Text Block]

The following is a summary of our outstanding preferred stock as of August 31, 2020, all shares of which are listed and traded on 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 patrons' 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 LIBOR 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 LIBOR 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, 2020 and 2019.

		Years Ended August 31,
	Nasdaq Symbol	2020		2019
		(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, 2020, 2019 and 2018 are as follows:

	Pension and Other Postretirement Benefits		Unrealized Net Gain (Loss) on Available for Sale Investments		Cash Flow Hedges		Foreign Currency Translation Adjustment		Total
	(Dollars in thousands)
Balance as of August 31, 2017, net of tax	$	(132,444)	$	10,041	$	(6,954)	$	(51,003)	$	(180,360)
Other comprehensive income (loss), before tax:
Amounts before reclassifications	7,633		21,078		1,031		(10,062)		19,680
Amounts reclassified out	21,804		(25,534)		1,704		(2,042)		(4,068)
Total other comprehensive income (loss), before tax	29,437		(4,456)		2,735		(12,104)		15,612
Tax effect	(9,371)		1,308		(195)		83		(8,175)
Other comprehensive income (loss), net of tax	20,066		(3,148)		2,540		(12,021)		7,437
Reclassification of tax effects to capital reserves	(27,957)		1,968		(1,468)		465		(26,992)
Balance as of August 31, 2018, net of tax	(140,335)		8,861		(5,882)		(62,559)		(199,915)
Other comprehensive income (loss), before tax:
Amounts before reclassifications	(51,118)		—		37,709		(9,990)		(23,399)
Amounts reclassified out	10,279		—		(9,843)		—		436
Total other comprehensive income (loss), before tax	(40,839)		—		27,866		(9,990)		(22,963)
Tax effect	8,280		—		(7,670)		41		651
Other comprehensive income (loss), net of tax	(32,559)		—		20,196		(9,949)		(22,312)
Reclassifications	416		(8,861)		983		2,756		(4,706)
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)