XML 83 R68.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 7 - Income Taxes (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 25.80% 25.80% 25.00%
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense $ 11.6 $ 9.8  
Unrecognized Tax Benefits That Would Not Impact Effective Tax Rate $ 30.1 30.1  
Open Tax Year 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023    
Other Noncurrent Liabilities [Member]      
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 59.5 $ 58.0  
Domestic Tax Authority [Member] | Dutch Tax and Customs Administration [Member]      
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 25.80% 25.80%  
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]      
Operating Loss Carryforwards $ 561.1    
Operating Loss Carryforwards Subject to Expiration 155.2    
Operating Loss Carryforwards, Not Subject to Expiration $ 405.9