Note 13 - Retirement Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Allocation of Plan Assets [Table Text Block]

			Quoted Prices in Active Markets for Identical Assets		Significant Observable Inputs		Significant Unobservable Inputs
Asset category	Fair Value		(Level 1)		(Level 2)		(Level 3)
Investment account held by pension plan(1)	$	13.3	$	—	$	—	$	13.3
Total	$	13.3	$	—	$	—	$	13.3

			Quoted Prices in Active Markets for Identical Assets		Significant Observable Inputs		Significant Unobservable Inputs
Asset category	Fair Value		(Level 1)		(Level 2)		(Level 3)
Cash and Cash Equivalents	$	2.8	$	2.8	$	—	$	—
Investment account held by pension plan(1)		12.2		—		—		12.2
Total	$	15.0	$	2.8	$	—	$	12.2

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

	2020		2019
Fair value at beginning of year	$	12.2	$	10.8
Purchases, sales, issuances and settlements, net		0.1		0.2
Net gain		0.6		0.8
Foreign currency		0.4		0.4
Fair value at end of year	$	13.3	$	12.2

Defined Benefit Plan, Assumptions [Table Text Block]

							Non-U.S.						Postretirement
	U.S. Nonqualified Plan						Pension Benefits						Medical Benefits
	2020			2019			2020			2019			2020			2019
Discount rate		2.06	%		3.01	%		1.05	%		1.42	%		2.07	%		3.06	%
Rate of compensation increase		—	%		—	%		—	%		—	%		—	%		—	%

										Non-U.S.									Postretirement
	U.S. Nonqualified Plan									Pension Benefits									Medical Benefits
	2020			2019			2018			2020			2019			2018			2020			2019			2018
Discount rate		3.01	%		3.95	%		3.28	%		1.42	%		1.92	%		2.08	%		3.06	%		3.95	%		3.26	%
Expected long-term rate of return on plan assets		—	%		—	%		—	%		3.30	%		3.80	%		3.80	%		—	%		—	%		—	%
Rate of compensation increase		—	%		—	%		—	%		—	%		—	%		3.50	%		—	%		—	%		—	%

Schedule of Accumulated and Projected Benefit Obligations [Table Text Block]

	2020		2019
U.S. Nonqualified Plan	$	1.2	$	1.3
U.K. Pension Plan		12.2		10.4
German Pension Plan		1.2		1.0
Italian Pension Plan		4.2		4.3

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

	2020		2019
Accumulated benefit obligation	$	6.6	$	6.6
Fair value of plan assets		—		—

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

	2020		2019
Projected benefit obligation	$	6.6	$	6.5
Fair value of plan assets		—		—

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

	2020			2019
Healthcare cost trend rate assumption for the next year Pre-65		5.90	%		6.22	%
Healthcare cost trend rate assumption for the next year Post-65		6.20	%		6.22	%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)		4.50	%		5.00	%
Year that the rate reaches the ultimate trend rate	2037			2032

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

							Non-U.S.						Postretirement
	U.S. Nonqualified Plan						Pension Benefits						Medical Benefits
	2020			2019			2020			2019			2020			2019
Change in benefit obligation:
Benefit obligation at beginning of year	$	1.3		$	1.3		$	15.7		$	15.0		$	7.8		$	8.6
Service cost		—			—			—			—			0.1			—
Interest cost		—			0.1			0.2			0.3			0.2			0.3
Actuarial loss (gain)		—			—			1.7			1.0			(0.3	)		(0.1	)
Foreign exchange		—			—			0.8			0.2			—			—
Benefits paid		(0.1	)		(0.1	)		(0.8	)		(0.8	)		(0.5	)		(1.0	)
Benefit obligation at end of year	$	1.2		$	1.3		$	17.6		$	15.7		$	7.3		$	7.8
Change in fair value of plan assets and net accrued liabilities:
Fair value of plan assets at beginning of year	$	—		$	—		$	12.2		$	10.8		$	—		$	—
Actual return on plan assets		—			—			0.6			0.8			—			—
Employer contributions		0.1			0.1			0.9			1.0			0.5			1.0
Foreign exchange		—			—			0.4			0.4			—			—
Benefits paid		(0.1	)		(0.1	)		(0.8	)		(0.8	)		(0.5	)		(1.0	)
Fair value of plan assets at end of year		—			—			13.3			12.2			—			—
Funded status at end of year	$	(1.2	)	$	(1.3	)	$	(4.3	)	$	(3.5	)	$	(7.3	)	$	(7.8	)
Amounts recognized in the Consolidated Balance Sheets consist of:
Noncurrent Other Assets	$	—		$	—		$	1.1		$	1.8		$	—		$	—
Current Liabilities		(0.1	)		(0.2	)		—			—			(0.7	)		(0.7	)
Long-Term Liabilities		(1.1	)		(1.1	)		(5.4	)		(5.3	)		(6.6	)		(7.1	)
Net accrued liability	$	(1.2	)	$	(1.3	)	$	(4.3	)	$	(3.5	)	$	(7.3	)	$	(7.8	)
Amounts recognized in Accumulated Other Comprehensive Loss consist of:
Prior service cost	$	—		$	—		$	(0.2	)	$	(0.1	)	$	—		$	—
Net actuarial (loss) gain		(0.9	)		(0.9	)		(2.0	)		(0.4	)		0.8			0.4
Accumulated Other Comprehensive (Loss) Income	$	(0.9	)	$	(0.9	)	$	(2.2	)	$	(0.5	)	$	0.8		$	0.4

Schedule of Net Benefit Costs [Table Text Block]

							Non-U.S.									Postretirement
	U.S. Nonqualified Plan						Pension Benefits									Medical Benefits
	2020		2019		2018		2020			2019			2018			2020		2019			2018
Service cost	$	—	$	—	$	—	$	—		$	—		$	0.1		$	0.1	$	—		$	0.1
Interest cost		—		0.1		—		0.2			0.3			0.3			0.2		0.3			0.3
Expected return on plan assets		—		—		—		(0.3	)		(0.4	)		(0.4	)		—		—			—
Amortization of net actuarial loss (gain)		0.1		—		0.1		—			—			—			—		(0.1	)		—
Net periodic benefit cost (credit)		0.1		0.1		0.1		(0.1	)		(0.1	)		—			0.3		0.2			0.4
Curtailment		—		—		—		—			—			(0.1	)		—		—			—
Net benefit cost (credit)	$	0.1	$	0.1	$	0.1	$	(0.1	)	$	(0.1	)	$	(0.1	)	$	0.3	$	0.2		$	0.4

Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

									Non-U.S.							Postretirement
	U.S. Nonqualified Plan								Pension Benefits							Medical Benefits
	2020			2019		2018			2020		2019		2018			2020			2019			2018
Prior service cost	$	—		$	—	$	—		$	0.1	$	—	$	0.1		$	—		$	—		$	—
Net actuarial loss (gain)		—			0.1		—			1.6		0.4		(1.2	)		(0.3	)		(0.1	)		(0.5	)
Amortization of net actuarial (loss) gain		(0.1	)		—		(0.1	)		—		—		—			—			0.1			—
Total recognized in other comprehensive (income) loss	$	(0.1	)	$	0.1	$	(0.1	)	$	1.7	$	0.4	$	(1.1	)	$	(0.3	)	$	—		$	(0.5	)
Total recognized in net benefit cost (credit) and other comprehensive loss (income)	$	—		$	0.2	$	—		$	1.6	$	0.3	$	(1.2	)	$	—		$	0.2		$	(0.1	)

Schedule of Expected Benefit Payments [Table Text Block]

	U.S.		Non-U.S.		Postretirement
	Nonqualified Plan		Pension Benefits		Medical Benefits
2021	$	0.2	$	0.3	$	0.7
2022		0.1		0.7		0.6
2023		0.1		0.8		0.6
2024		0.1		0.8		0.6
2025		0.1		0.8		0.6
2026 to 2030		0.4		4.0		2.5
Total	$	1.0	$	7.4	$	5.6