Note 11 - Pension and Postretirement Benefits (Tables)

12 Months Ended

Nov. 30, 2019

Notes Tables

Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block]

	Pension Benefits												Other Postretirement
	U.S. Plans						Non-U.S. Plans						Benefits
	2019			2018			2019			2018			2019			2018
Change in projected benefit obligation
Benefit obligation at beginning of year	$	336,889		$	379,359		$	208,075		$	223,982		$	36,842		$	43,325
Service cost		4			56			2,237			2,311			98			173
Interest cost		14,691			12,251			4,678			4,671			1,550			1,484
Participant contributions		-			-			-			-			240			330
Plan amendments		-			-			-			1,600			-			-
Actuarial (gain)/loss1		49,211			(33,052	)		30,517			(3,377	)		3,749			(5,225	)
Other		-			-			(103	)		-			-			-
Settlement payments		-			-			(307	)		-			-			-
Benefits paid		(20,407	)		(21,725	)		(8,356	)		(10,059	)		(3,223	)		(3,245	)
Foreign currency translation effect		-			-			(2,199	)		(11,053	)		-			-
Benefit obligation at end of year		380,388			336,889			234,542			208,075			39,256			36,842
Change in plan assets
Fair value of plan assets at beginning of year		346,460			378,099			169,455			187,708			82,910			79,300
Actual return on plan assets		54,527			(11,768	)		22,945			(1,240	)		12,046			4,058
Employer contributions		3,124			1,854			2,437			2,237			2,501			2,467
Participant contributions		-			-			-			-			240			330
Other		-			-			(103	)		-			-			-
Benefits paid2		(20,584	)		(21,725	)		(8,356	)		(10,059	)		(3,223	)		(3,245	)
Foreign currency translation effect		-			-			(1,047	)		(9,191	)		-			-
Fair value of plan assets at end of year		383,527			346,460			185,331			169,455			94,474			82,910
Plan assets in excess of (less than) benefit obligation as of year end	$	3,139		$	9,571		$	(49,211	)	$	(38,620	)	$	55,218		$	46,068

Schedule of Net Periodic Benefit Cost Not yet Recognized [Table Text Block]

Amounts in accumulated other comprehensive income (loss) that have not been recognized as components of net periodic benefit cost	Pension Benefits									Other Postretirement
	U.S. Plans					Non-U.S. Plans				Benefits
	2019			2018		2019		2018		2019		2018
Unrecognized actuarial loss	$	146,149		$	130,661	$	83,457	$	69,762	$	2,114	$	3,430
Unrecognized prior service (benefit) cost		(9	)		4		1,476		1,520		-		-
Ending balance	$	146,140		$	130,665	$	84,933	$	71,282	$	2,114	$	3,430

Schedule of Amounts Recognized in Balance Sheet [Table Text Block]

	Pension Benefits												Other Postretirement
	U.S. Plans						Non-U.S. Plans						Benefits
	2019			2018			2019			2018			2019			2018
Statement of financial position as of fiscal year-end
Non-current assets	$	22,480		$	28,396		$	6,263		$	9,467		$	58,307		$	48,872
Accrued benefit cost
Current liabilities		(1,418	)		(1,493	)		(1,723	)		(2,077	)		(210	)		(201	)
Non-current liabilities		(17,922	)		(17,332	)		(53,750	)		(46,010	)		(2,879	)		(2,603	)
Ending balance	$	3,140		$	9,571		$	(49,210	)	$	(38,620	)	$	55,218		$	46,068

Defined Benefit Plan, Plan with Projected Benefit Obligation in Excess of Plan Assets [Table Text Block]

	Pension Benefits and Other Postretirement Benefits
	U.S. Plans				Non-U.S. Plans
	2019		2018		2019		2018
Accumulated benefit obligation	$	24,344	$	23,289	$	125,073	$	115,725
Fair value of plan assets		5,004		4,514		79,437		75,397

	Pension Benefits and Other Postretirement Benefits
	U.S. Plans				Non-U.S. Plans
	2019		2018		2019		2018
Projected benefit obligation	$	24,344	$	23,338	$	134,910	$	123,484
Fair value of plan assets		5,004		4,514		79,437		75,397

Schedule of Expected Benefit Payments [Table Text Block]

	Pension Benefits				Other
	U.S. Plans		Non-U.S. Plans		Postretirement Benefits
Employer contributions
2020	$	312	$	173	$	1,500
Expected benefit payments
2020	$	21,252	$	8,091	$	3,023
2021		21,022		8,548		3,003
2022		21,288		8,620		2,971
2023		21,698		8,562		2,921
2024		21,742		8,581		2,865
2025-2029		108,959		45,646		12,832

Schedule of Net Benefit Costs [Table Text Block]

	Pension Benefits																		Other
	U.S. Plans									Non-U.S. Plans									Postretirement Benefits
Net periodic cost (benefit)	2019			2018			2017			2019			2018			2017			2019			2018			2017
Service cost	$	4		$	56		$	111		$	2,237		$	2,311		$	2,125		$	98		$	173		$	208
Interest cost		14,691			12,251			15,836			4,678			4,671			4,709			1,550			1,484			1,593
Expected return on assets		(25,305	)		(26,167	)		(25,458	)		(10,224	)		(11,105	)		(9,853	)		(7,013	)		(6,896	)		(5,788	)
Amortization:
Prior service cost (benefit)		13			29			29			64			(4	)		(4	)		-			-			-
Actuarial loss		4,677			5,904			5,905			3,114			2,901			3,492			33			60			1,010
Curtailment loss		-			-			-			83			-			-			-			-			-
Settlement charge		-			-			-			-			-			16			-			-			-
Net periodic (benefit) cost	$	(5,920	)	$	(7,927	)	$	(3,577	)	$	(48	)	$	(1,226	)	$	485		$	(5,332	)	$	(5,179	)	$	(2,977	)

Defined Benefit Plan, Assumptions [Table Text Block]

	Pension Benefits																		Other
	U.S. Plans									Non-U.S. Plans									Postretirement Benefits
Weighted-average assumptions used to determine benefit obligations	2019			2018			2017			2019			2018			2017			2019			2018			2017
Discount rate		3.17	%		4.50	%		3.72	%		1.35	%		2.29	%		2.12	%		3.00	%		4.37	%		3.54	%
Rate of compensation increase1		4.50	%		4.50	%		4.50	%		1.71	%		1.75	%		1.71	%		N/A			N/A			N/A

Weighted-average assumptions used to determine net costs for years ended	2019			2018			2017			2019			2018			2017			2019			2018			2017
Discount rate		4.50	%		3.72	%		4.08	%		2.30	%		2.10	%		2.15	%		4.37	%		3.54	%		3.85	%
Expected return on plan assets		7.49	%		7.75	%		7.75	%		6.21	%		6.20	%		6.21	%		8.50	%		8.75	%		8.75	%
Rate of compensation increase1		4.50	%		4.50	%		4.50	%		1.71	%		1.75	%		1.47	%		N/A			N/A			N/A

Schedule of Health Care Cost Trend Rates [Table Text Block]

Assumed health care trend rates	2019			2018			2017
Health care cost trend rate assumed for next year		7.00	%		6.25	%		6.50	%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)		0.25	%		0.25	%		5.00	%
Fiscal year that the rate reaches the ultimate trend rate	2028			2024			2024

Schedule of Allocation of Plan Assets [Table Text Block]

	U.S. Pension Plans									Non-U.S. Pension Plans									Other Postretirement Plans
	Target			Percentage of Plan Assets at Year-End						Target			Percentage of Plan Assets at Year-End						Target			Percentage of Plan Assets at Year-End
Asset Category	2019			2019			2018			2019			2019			2018			2019			2019			2018
Equities		60.0	%		57.7	%		59.5	%		49.0	%		49.6	%		50.8	%		0.0	%		0.0	%		0.0	%
Fixed income		40.0	%		63.8	%		40.0	%		51.0	%		50.1	%		48.7	%		0.0	%		0.0	%		0.0	%
Insurance		0.0	%		0.0	%		0.0	%		0.0	%		0.0	%		0.0	%		100.0	%		99.6	%		99.4	%
Cash 1		0.0	%		-21.5	%		0.5	%		0.0	%		0.3	%		0.5	%		0.0	%		0.4	%		0.6	%
Total		100	%		100	%		100	%		100	%		100	%		100	%		100	%		100	%		100	%

Schedule of Changes in Fair Value of Plan Assets [Table Text Block]

	November 30, 2019
U.S. Pension Plans	Level 1			Level 2		Level 3		Total Assets
Equities	$	126,178		$	95,271	$	-	$	221,449
Fixed income		119,103			125,329		219		244,651
Cash 2		(83,099	)		140		-		(82,959	)
Total categorized in the fair value hierarchy		162,182			220,740		219		383,141
Other investments measured at NAV 1									386
Total	$	162,182		$	220,740	$	219	$	383,527

Non-U.S. Pension Plans	Level 1		Level 2		Level 3		Total Assets
Equities	$	32,045	$	1,247	$	-	$	33,292
Fixed income		46,262		6,819		675		53,756
Cash		506		-		-		506
Total categorized in the fair value hierarchy		78,813		8,066		675		87,554
Other investments measured at NAV 1								97,777
Total	$	78,813	$	8,066	$	675	$	185,331

Other Postretirement Benefits	Level 1		Level 2		Level 3		Total Assets
Insurance	$	-	$	-	$	94,082	$	94,082
Cash		392		-		-		392
Total	$	392	$	-	$	94,082	$	94,474

	December 1, 2018
U.S. Pension Plans	Level 1		Level 2		Level 3		Total Assets
Equities	$	121,087	$	85,007	$	-	$	206,094
Fixed income		33,892		104,484		266		138,642
Cash		1,222		148		-		1,370
Total categorized in the fair value hierarchy		156,201		189,639		266		346,106
Other investments measured at NAV 1								354
Total	$	156,201	$	189,639	$	266	$	346,460

Non-U.S. Pension Plans	Level 1		Level 2		Level 3		Total Assets
Equities	$	30,123	$	1,073	$	-	$	31,196
Fixed income		44,158		6,394		662		51,214
Cash		450		-		-		450
Total categorized in the fair value hierarchy		74,731		7,467		662		82,860
Other investments measured at NAV 1								86,595
Total	$	74,731	$	7,467	$	662	$	169,455

Other Postretirement Benefits	Level 1		Level 2		Level 3		Total Assets
Insurance	$	-	$	-	$	82,446	$	82,446
Cash		464		-		-		464
Total	$	464	$	-	$	82,446	$	82,910

Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block]

	Fixed Income
U.S. Pension Plans	2019			2018
Level 3 balance at beginning of year	$	266		$	291
Purchases, sales, issuances and settlements, net		(47	)		(25	)
Level 3 balance at end of year	$	219		$	266

	Fixed Income
Non-U.S. Pension Plans	2019			2018
Level 3 balance at beginning of year	$	662		$	660
Net transfers into / (out of) level 3		28			30
Net gains		5			6
Currency change effect		(20	)		(34	)
Level 3 balance at end of year	$	675		$	662

	Insurance
Other Postretirement Benefits	2019			2018
Level 3 balance at beginning of year	$	82,446		$	78,894
Net transfers into / (out of) level 3		(403	)		(422	)
Purchases, sales, issuances and settlements, net		(720	)		(671	)
Net gains		12,759			4,645
Level 3 balance at end of year	$	94,082		$	82,446