Note 5 - Long-term Debt (Details Textual) $ in Millions | | 1 Months Ended | 3 Months Ended | |
May 01, 2018 USD ($) | May 31, 2018 USD ($) | Mar. 31, 2023 USD ($) | Sep. 30, 2021 USD ($) |
Global ABL Facility [Member] | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | | | | $ 750 |
Line of Credit Facility, Additional Borrowing Capacity Subject to Additional Commitments | | | | 250 |
Line of Credit Facility, Remaining Borrowing Capacity | | | $ 601 | |
Global ABL Facility [Member] | UNITED STATES | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | | | | 705 |
Global ABL Facility [Member] | CANADA | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | | | | 30 |
Global ABL Facility [Member] | NORWAY | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | | | | 12 |
Global ABL Facility [Member] | AUSTRALIA | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | | | | 10 |
Global ABL Facility [Member] | NETHERLANDS | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | | | | 10.5 |
Global ABL Facility [Member] | UNITED KINGDOM | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | | | | 7.5 |
Global ABL Facility [Member] | BELGIUM | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | | | | $ 5 |
Secured Overnight Financing Rate (SOFR) [Member] | Maximum [Member] | Global ABL Facility [Member] | UNITED STATES | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | 1.75% | |
Secured Overnight Financing Rate (SOFR) [Member] | Minimum [Member] | Global ABL Facility [Member] | UNITED STATES | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | 1.25% | |
BA Rate [Member] | Maximum [Member] | Global ABL Facility [Member] | CANADA | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | 1.75% | |
BA Rate [Member] | Minimum [Member] | Global ABL Facility [Member] | CANADA | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | 1.25% | |
Various Benchmark Rates [Member] | Maximum [Member] | Global ABL Facility [Member] | Non-US [Member] | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | 1.75% | |
Various Benchmark Rates [Member] | Minimum [Member] | Global ABL Facility [Member] | Non-US [Member] | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | 1.25% | |
Secured Debt [Member] | Senior Secured Term Loan B [Member] | | | | |
Debt Instrument, Face Amount | | $ 400 | | |
Senior Secured Term Loan Additional Maximum Borrowing Capacity | | $ 200 | | |
Term Loan Senior Secured Leverage Ratio | | 4 | | |
Percentage Of Capital Stock In Foreign Subsidiaries | | 65% | | |
Repayment Percentage Requirement Based on Excess Cash Flow and Leverage Ratio No More Than 2.75 | | 25% | | |
Repayment Percentage Requirement Based on Excess Cash Flow and Leverage Ratio Less Than or Equal 2.50 | | 0% | | |
Debt Instrument, Covenant, Net Leverage Ratio, Maximum Unrestricted Cash | $ 75 | | | |
Secured Debt [Member] | Senior Secured Term Loan B [Member] | Maximum [Member] | | | | |
Repayment Percentage Requirement Based on Excess Cash Flow and Leverage Ratio | | 50% | | |
Secured Debt [Member] | Senior Secured Term Loan B [Member] | London Interbank Offered Rate (LIBOR) 1 [Member] | | | | |
Debt Instrument, Basis Spread on Variable Rate | | 3% | | |
Secured Debt [Member] | Senior Secured Term Loan B [Member] | Base Rate [Member] | | | | |
Debt Instrument, Basis Spread on Variable Rate | | 2% | | |
Secured Debt [Member] | Senior Secured Term Loan B [Member] | Measurement Input, Prepayment Rate [Member] | | | | |
Debt Instrument, Measurement Input | | 0.01 | | |