XML 47 R35.htm IDEA: XBRL DOCUMENT v3.21.1
Long-Term Debt (Tables)
6 Months Ended
Mar. 31, 2021
Debt Disclosure [Abstract]  
Long-term Debt
March 31,
2021
September 30,
2020
Term B Facility$627.4 $673.7 
Revolving Credit Facility— 30.0 
Total principal amount of debt627.4 703.7 
Less: Current portion of long-term debt73.2 63.8 
Debt issuance costs, net5.6 6.6 
Unamortized discount9.0 10.7 
Long-term debt$539.6 $622.6