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Other Debt Disclosures Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]      
Long-term Debt, Weighted Average Interest Rate, at Point in Time   5.80% 5.80%
6.625% Notes [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 6.625%    
Unsecured Debt [Member] | 6.625% Notes [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Repurchase Amount $ 100.0    
Interest Paid, Including Capitalized Interest, Operating and Investing Activities 2.0    
Write off of Deferred Debt Issuance Cost 0.4    
Redemption Premium $ 1.1    
Foreign Credit Facilities [Member]      
Debt Instrument [Line Items]      
Long-term Line of Credit   $ 109.0 $ 88.8
Debt Instrument, Unused Borrowing Capacity, Amount   $ 58.6