Note 11 - Fair Value Measurements - Fair Value Measurements of Assets and Liabilities (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Total assets	$ 4.8	$ 0.9
Total liabilities	0.2	11.4
Fair Value, Inputs, Level 1 [Member]
Total assets	0.0	0.0
Total liabilities	0.0	0.0
Fair Value, Inputs, Level 2 [Member]
Total assets	4.8	0.9
Total liabilities	0.2	11.4
Fair Value, Inputs, Level 3 [Member]
Total assets	0.0	0.0
Total liabilities	0.0	0.0
Foreign Exchange Forward [Member]
Foreign currency contracts, asset	0.5	0.9
Foreign currency contracts, liability	0.2	11.4
Foreign Exchange Forward [Member] | Fair Value, Inputs, Level 1 [Member]
Foreign currency contracts, asset	0.0	0.0
Foreign currency contracts, liability	0.0	0.0
Foreign Exchange Forward [Member] | Fair Value, Inputs, Level 2 [Member]
Foreign currency contracts, asset	0.5	0.9
Foreign currency contracts, liability	0.2	11.4
Foreign Exchange Forward [Member] | Fair Value, Inputs, Level 3 [Member]
Foreign currency contracts, asset	0.0	0.0
Foreign currency contracts, liability	0.0	$ 0.0
Currency Swap [Member]
Cross-currency swaps	4.3
Currency Swap [Member] | Fair Value, Inputs, Level 1 [Member]
Cross-currency swaps	0.0
Currency Swap [Member] | Fair Value, Inputs, Level 2 [Member]
Cross-currency swaps	4.3
Currency Swap [Member] | Fair Value, Inputs, Level 3 [Member]
Cross-currency swaps	$ 0.0