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Note 10 - Financing Arrangements (Details Textual) - USD ($) $ in Millions | Jun. 30, 2022 | May 31, 2022 | May 30, 2022
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Credit Facility [Member] |  |  |
Long-Term Line of Credit, Total |  | $ 5.0 |
Revolving Credit Facility [Member] | Credit Facility [Member] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 100.0 |
Letter of Credit [Member] | Credit Facility [Member] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 15.0 |
Swing Line Subfacility [Member] | Credit Facility [Member] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 20.0 |
Line of Credit Maturing February 2024 [Member] |  |  |
Letters of Credit Outstanding, Amount |  |  | $ 20.0
Line of Credit Maturing May 2024 [Member] |  |  |
Letters of Credit Outstanding, Amount |  |  | 6.5
Bank Guarantee [Member] |  |  |
Letters of Credit Outstanding, Amount |  |  | $ 3.0
Senior Term Loan Facility [Member] |  |  |
Debt Instrument, Face Amount |  | $ 350.0 |
Debt Instrument, Covenant, Maximum Senior Secured Net Leverage Ratio |  | 4.50 |
Debt Instrument, Covenant, Minimum Fixed Charge Coverage Ratio |  | 1.20 |
Debt Issuance Costs, Net, Total | $ 12.8 |  |
Senior Term Loan Facility [Member] | Credit Facility [Member] | Base Rate [Member] | Minimum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.75% |
Senior Term Loan Facility [Member] | Credit Facility [Member] | Base Rate [Member] | Maximum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.75% |
Senior Term Loan Facility [Member] | Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 2.75% |  |
Senior Term Loan Facility [Member] | Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Minimum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.75% |
Senior Term Loan Facility [Member] | Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Maximum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 2.75% |
Senior Secured Credit Agreement for Periods Ending June 30, 2023 and September 30, 2023 [Member] |  |  |
Debt Instrument, Covenant, Maximum Senior Secured Net Leverage Ratio |  | 4.00 |
Debt Instrument, Covenant, Maximum Total Net Leverage Ratio |  | 5.25 |
Senior Secured Credit Agreement for Periods Ending December 31, 2023 and After [Member] |  |  |
Debt Instrument, Covenant, Maximum Senior Secured Net Leverage Ratio |  | 3.50 |
Debt Instrument, Covenant, Maximum Total Net Leverage Ratio |  | 4.75 |
Senior Secured Credit Agreement for Periods Ending June30, September 30, December 31, 2022 and March 31, 2023 [Member] |  |  |
Debt Instrument, Covenant, Maximum Total Net Leverage Ratio |  | 5.75 |
Subordinated Credit Facility [Member] |  |  |
Debt Instrument, Face Amount |  | $ 90.0 |
Subordinated Credit Facility [Member] | Minimum [Member] |  |  |
Debt Instrument, Prepayment Fee, Percent |  | 1.00% |
Subordinated Credit Facility [Member] | Maximum [Member] |  |  |
Debt Instrument, Prepayment Fee, Percent |  | 2.00% |
Subordinated Credit Facility [Member] | Base Rate [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 8.00% |
Subordinated Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 9.00% | 9.00% |
Subordinated Credit Agreement for Periods Ending June30, September 30, December 31, 2022 and March 31, 2023 [Member] |  |  |
Debt Instrument, Covenant, Maximum Senior Secured Net Leverage Ratio |  | 5.40 |
Debt Instrument, Covenant, Maximum Total Net Leverage Ratio |  | 6.90 |
Subordinated Credit Agreement for Periods Ending June 30, 2023 and September 30, 2023 [Member] |  |  |
Debt Instrument, Covenant, Maximum Senior Secured Net Leverage Ratio |  | 4.80 |
Debt Instrument, Covenant, Maximum Total Net Leverage Ratio |  | 6.30 |
Subordinated Credit Agreement for Periods Ending December 31, 2023 and After [Member] |  |  |
Debt Instrument, Covenant, Maximum Senior Secured Net Leverage Ratio |  | 4.20 |
Debt Instrument, Covenant, Maximum Total Net Leverage Ratio |  | 5.70 |
Senior Secured Credit Agreement and Subordinated Credit Agreement [Member] |  |  |
Debt Issuance Costs, Net, Total | $ 15.2 |  |
Credit Facility [Member] |  |  |
Debt Issuance Costs, Net, Total | $ 2.4 |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
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