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Note 13 - Retirement Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2021
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(a) |  | $ | 12.9 |  |  | $ | — |  |  | $ | — |  |  | $ | 12.9 |
Total |  | $ | 12.9 |  |  | $ | — |  |  | $ | — |  |  | $ | 12.9 |
|  |  |  |  |  | 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(a) |  | $ | 13.3 |  |  |  | — |  |  |  | — |  |  | $ | 13.3 |
Total |  | $ | 13.3 |  |  | $ | — |  |  | $ | — |  |  | $ | 13.3 |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] |
|  | 2021 |  |  | 2020 |
Fair value at beginning of year |  | $ | 13.3 |  |  | $ | 12.2 |
Purchases, sales, issuances and settlements, net |  |  | 0.2 |  |  |  | 0.1 |
Net (loss) gain |  |  | (0.4 | ) |  |  | 0.6 |
Foreign currency |  |  | (0.2 | ) |  |  | 0.4 |
Fair value at end of year |  | $ | 12.9 |  |  | $ | 13.3 |
Defined Benefit Plan, Assumptions [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Non-U.S. |  |  | Postretirement |
|  | U.S. Nonqualified Plan |  |  | Pension Benefits |  |  | Medical Benefits |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Discount rate |  |  | 2.54 | % |  |  | 2.06 | % |  |  | 1.59 | % |  |  | 1.05 | % |  |  | 2.53 | % |  |  | 2.07 | %
Rate of compensation increase |  |  | — | % |  |  | — | % |  |  | — | % |  |  | — | % |  |  | — | % |  |  | — | %
|  |  |  |  |  |  |  |  |  |  |  |  |  | Non-U.S. |  |  | Postretirement |
|  | U.S. Nonqualified Plan |  |  | Pension Benefits |  |  | Medical Benefits |
|  | 2021 |  |  | 2020 |  |  | 2019 |  |  | 2021 |  |  | 2020 |  |  | 2019 |  |  | 2021 |  |  | 2020 |  |  | 2019 |
Discount rate |  |  | 2.06 | % |  |  | 3.01 | % |  |  | 3.95 | % |  |  | 1.05 | % |  |  | 1.42 | % |  |  | 1.92 | % |  |  | 2.07 | % |  |  | 3.06 | % |  |  | 3.95 | %
Expected long-term rate of return on plan assets |  |  | — | % |  |  | — | % |  |  | — | % |  |  | 2.70 | % |  |  | 3.30 | % |  |  | 3.80 | % |  |  | — | % |  |  | — | % |  |  | — | %
Rate of compensation increase |  |  | — | % |  |  | — | % |  |  | — | % |  |  | — | % |  |  | — | % |  |  | — | % |  |  | — | % |  |  | — | % |  |  | — | %
Schedule of Accumulated and Projected Benefit Obligations [Table Text Block] |
|  | 2021 |  |  | 2020 |
U.S. Nonqualified Plan |  | $ | 1.1 |  |  | $ | 1.2 |
U.K. Pension Plan |  |  | 11.4 |  |  |  | 12.2 |
German Pension Plan |  |  | 1.0 |  |  |  | 1.2 |
Italian Pension Plan |  |  | 3.7 |  |  |  | 4.2 |
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block] |
|  | 2021 |  |  | 2020 |
Accumulated benefit obligation |  | $ | 5.8 |  |  | $ | 6.6 |
Fair value of plan assets |  |  | — |  |  |  | — |
Defined Benefit Plan, Plan with Projected Benefit Obligation in Excess of Plan Assets [Table Text Block] |
|  | 2021 |  |  | 2020 |
Projected benefit obligation |  | $ | 5.8 |  |  | $ | 6.6 |
Fair value of plan assets |  |  | — |  |  |  | — |
Schedule of Health Care Cost Trend Rates [Table Text Block] |
|  | 2021 |  |  | 2020 |
Healthcare cost trend rate assumption for the next year Pre-65 |  |  | 5.40 | % |  |  | 5.90 | %
Healthcare cost trend rate assumption for the next year Post-65 |  |  | 5.90 | % |  |  | 6.20 | %
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) |  |  | 4.00 | % |  |  | 4.50 | %
Year that the rate reaches the ultimate trend rate |  | 2045 |  |  | 2037 |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Non-U.S. |  |  | Postretirement |
|  | U.S. Nonqualified Plan |  |  | Pension Benefits |  |  | Medical Benefits |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Change in benefit obligation: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit obligation at beginning of year |  | $ | 1.2 |  |  | $ | 1.3 |  |  | $ | 17.6 |  |  | $ | 15.7 |  |  | $ | 7.3 |  |  | $ | 7.8 |
Service cost |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 0.1 |  |  |  | 0.1 |
Interest cost |  |  | 0.1 |  |  |  | — |  |  |  | 0.2 |  |  |  | 0.2 |  |  |  | 0.1 |  |  |  | 0.2 |
Actuarial loss (gain) |  |  | — |  |  |  | — |  |  |  | (0.6 | ) |  |  | 1.7 |  |  |  | 0.6 |  |  |  | (0.3 | )
Foreign exchange |  |  | — |  |  |  | — |  |  |  | (0.4 | ) |  |  | 0.8 |  |  |  | — |  |  |  | — |
Settlement |  |  | — |  |  |  | — |  |  |  | (0.3 | ) |  |  | — |  |  |  | — |  |  |  | — |
Benefits paid |  |  | (0.2 | ) |  |  | (0.1 | ) |  |  | (0.3 | ) |  |  | (0.8 | ) |  |  | (1.1 | ) |  |  | (0.5 | )
Benefit obligation at end of year |  | $ | 1.1 |  |  | $ | 1.2 |  |  | $ | 16.2 |  |  | $ | 17.6 |  |  | $ | 7.0 |  |  | $ | 7.3 |
Change in fair value of plan assets and net accrued liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year |  | $ | — |  |  | $ | — |  |  | $ | 13.3 |  |  | $ | 12.2 |  |  | $ | — |  |  | $ | — |
Actual return on plan assets |  |  | — |  |  |  | — |  |  |  | (0.4 | ) |  |  | 0.6 |  |  |  | — |  |  |  | — |
Employer contributions |  |  | 0.1 |  |  |  | 0.1 |  |  |  | 0.8 |  |  |  | 0.9 |  |  |  | 1.0 |  |  |  | 0.5 |
Foreign exchange |  |  | — |  |  |  | — |  |  |  | (0.2 | ) |  |  | 0.4 |  |  |  | — |  |  |  | — |
Settlement |  |  | — |  |  |  | — |  |  |  | (0.3 | ) |  |  | — |  |  |  | — |  |  |  | — |
Benefits paid |  |  | (0.1 | ) |  |  | (0.1 | ) |  |  | (0.3 | ) |  |  | (0.8 | ) |  |  | (1.0 | ) |  |  | (0.5 | )
Fair value of plan assets at end of year |  |  | — |  |  |  | — |  |  |  | 12.9 |  |  |  | 13.3 |  |  |  | — |  |  |  | — |
Funded status at end of year |  | $ | (1.1 | ) |  | $ | (1.2 | ) |  | $ | (3.3 | ) |  | $ | (4.3 | ) |  | $ | (7.0 | ) |  | $ | (7.3 | )
Amounts recognized in the consolidated balance sheets consist of: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncurrent other assets |  | $ | — |  |  | $ | — |  |  | $ | 1.4 |  |  | $ | 1.1 |  |  | $ | — |  |  | $ | — |
Current liabilities |  |  | (0.1 | ) |  |  | (0.1 | ) |  |  | (0.2 | ) |  |  | — |  |  |  | (0.7 | ) |  |  | (0.7 | )
Long-term liabilities |  |  | (1.0 | ) |  |  | (1.1 | ) |  |  | (4.5 | ) |  |  | (5.4 | ) |  |  | (6.3 | ) |  |  | (6.6 | )
Net accrued liability |  | $ | (1.1 | ) |  | $ | (1.2 | ) |  | $ | (3.3 | ) |  | $ | (4.3 | ) |  | $ | (7.0 | ) |  | $ | (7.3 | )
Amounts recognized in accumulated other comprehensive loss consist of: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prior service cost |  | $ | — |  |  | $ | — |  |  | $ | (0.2 | ) |  | $ | (0.2 | ) |  | $ | — |  |  | $ | — |
Net actuarial (loss) gain |  |  | (0.9 | ) |  |  | (0.9 | ) |  |  | (2.1 | ) |  |  | (2.0 | ) |  |  | 0.2 |  |  |  | 0.8 |
Accumulated other comprehensive (loss) income |  | $ | (0.9 | ) |  | $ | (0.9 | ) |  | $ | (2.3 | ) |  | $ | (2.2 | ) |  | $ | 0.2 |  |  | $ | 0.8 |
Schedule of Net Benefit Costs [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Non-U.S. |  |  | Postretirement |
|  | U.S. Nonqualified Plan |  |  | Pension Benefits |  |  | Medical Benefits |
|  | 2021 |  |  | 2020 |  |  | 2019 |  |  | 2021 |  |  | 2020 |  |  | 2019 |  |  | 2021 |  |  | 2020 |  |  | 2019 |
Service cost |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 0.1 |  |  | $ | 0.1 |  |  | $ | — |
Interest cost |  |  | 0.1 |  |  |  | — |  |  |  | 0.1 |  |  |  | 0.2 |  |  |  | 0.2 |  |  |  | 0.3 |  |  |  | 0.1 |  |  |  | 0.2 |  |  |  | 0.3 |
Expected return on plan assets |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (0.4 | ) |  |  | (0.3 | ) |  |  | (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 | ) |  | $ | (0.1 | ) |  | $ | 0.2 |  |  | $ | 0.3 |  |  | $ | 0.2 |
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 |
|  | 2021 |  |  | 2020 |  |  | 2019 |  |  | 2021 |  |  | 2020 |  |  | 2019 |  |  | 2021 |  |  | 2020 |  |  | 2019 |
Prior service cost |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 0.1 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Net actuarial loss (gain) |  |  | — |  |  |  | — |  |  |  | 0.1 |  |  |  | 0.2 |  |  |  | 1.6 |  |  |  | 0.4 |  |  |  | 0.6 |  |  |  | (0.3 | ) |  |  | (0.1 | )
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 |  |  | $ | 0.6 |  |  | $ | (0.3 | ) |  | $ | — |
Total recognized in net benefit cost (credit) and other comprehensive loss (income) |  | $ | 0.1 |  |  | $ | — |  |  | $ | 0.2 |  |  | $ | — |  |  | $ | 1.6 |  |  | $ | 0.3 |  |  | $ | 0.8 |  |  | $ | — |  |  | $ | 0.2 |
Schedule of Expected Benefit Payments [Table Text Block] |
|  |  | U.S. |  |  | Non-U.S. |  |  | Postretirement |
|  |  | Nonqualified Plan |  |  | Pension Benefits |  |  | Medical Benefits |
2022 |  |  | $ | 0.1 |  |  | $ | 0.6 |  |  | $ | 0.7 |
2023 |  |  |  | 0.1 |  |  |  | 0.6 |  |  |  | 0.7 |
2024 |  |  |  | 0.1 |  |  |  | 0.6 |  |  |  | 0.7 |
2025 |  |  |  | 0.1 |  |  |  | 0.6 |  |  |  | 0.6 |
2026 |  |  |  | 0.1 |  |  |  | 0.6 |  |  |  | 0.6 |
2027 to 2030 |  |  |  | 0.4 |  |  |  | 3.5 |  |  |  | 2.5 |
Total |  |  | $ | 0.9 |  |  | $ | 6.5 |  |  | $ | 5.8 |

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- Definition Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19279-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2439-114920 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2410-114920 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2417-114920 + Details
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