XML 77 R65.htm IDEA: XBRL DOCUMENT v3.21.2
Debt and Financing Arrangements - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 02, 2021
Mar. 12, 2021
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Debt Instrument [Line Items]              
Loss on extinguishment of debt     $ (16.8) $ 0.0 $ (16.8) $ 0.0  
Short-term debt outstanding     $ 137.6   $ 137.6   $ 153.1
2021 Credit Facility | 2021 Credit Facility              
Debt Instrument [Line Items]              
Debt term   5 years          
Line of credit, maximum borrowing capacity   $ 750.0          
Line of credit facility, accordion feature, higher borrowing capacity option   1,250.0          
Maximum subsidiary borrowings   $ 75.0          
Line of credit facility covenants maximum debt to capitalization percentage   65.00%          
2021 Credit Facility | Letter of Credit              
Debt Instrument [Line Items]              
Line of credit, maximum borrowing capacity   $ 50.0          
Senior Notes | Senior notes at 2.300%              
Debt Instrument [Line Items]              
Interest rate, stated percentage   2.30% 2.30%   2.30%    
Face amount   $ 300.0          
Proceeds from offering   $ 295.5          
Senior Notes | Senior notes at 3.625%              
Debt Instrument [Line Items]              
Interest rate, stated percentage 3.625%           3.625%
Debt instrument, amount paid $ 300.0            
Loss on extinguishment of debt (16.8)            
Cash premium from extinguishment of debt $ 16.0