XML 44 R28.htm IDEA: XBRL DOCUMENT v3.22.2.2
Debt - Schedule of Debt (Tables) - USD ($)
$ in Millions
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Debt Instrument [Line Items]    
Long-term Debt $ 706.0 $ 704.5
Long-term Line of Credit $ 0.0 0.0
Schedule of Long-term Debt Instruments
The Company's notes payable at their carrying amounts consist of the following:
September 30,
 20222021
 (In millions)
Unsecured:
Revolving credit facility$— $— 
3.85% senior notes due 2026 (1)
396.5 395.5 
5.0% senior notes due 2028 (1)
297.0 296.5 
Other note payable12.5 12.5 
$706.0 $704.5 
______________
(1)Unamortized debt issuance costs that were deducted from the carrying amounts of the senior notes totaled $6.5 million and $8.0 million at September 30, 2022 and 2021, respectively.
 
Senior Notes 3.85% [Member]    
Debt Instrument [Line Items]    
Long-term Debt $ 396.5 395.5
Debt Instrument, Interest Rate, Stated Percentage 3.85%  
Senior Notes 5.0% [Member]    
Debt Instrument [Line Items]    
Long-term Debt $ 297.0 296.5
Debt Instrument, Interest Rate, Stated Percentage 5.00%  
Secured Debt [Member]    
Debt Instrument [Line Items]    
Long-term Debt $ 12.5 $ 12.5
Debt Instrument, Interest Rate, Stated Percentage 4.00%