Annual report pursuant to Section 13 and 15(d)

Financing Agreements Financing Agreements - Schedule of borrowings (Details)

v3.20.2
Financing Agreements Financing Agreements - Schedule of borrowings (Details) - USD ($)
Sep. 30, 2020
Jun. 16, 2020
Nov. 21, 2019
Sep. 30, 2019
Sep. 25, 2019
Aug. 28, 2019
Dec. 08, 2017
Dec. 15, 2014
Jul. 09, 2010
Debt Instrument [Line Items]                  
Total debt $ 1,552,600,000     $ 619,500,000          
Less: current portion (36,300,000)     0          
Long-term debt 1,516,300,000     619,500,000          
Term loans                  
Debt Instrument [Line Items]                  
Debt issued           $ 180,000,000.0      
Unamortized debt issuance costs 1,600,000                
Term loans | $500.0 Term Loan                  
Debt Instrument [Line Items]                  
Debt issued     $ 500,000,000.0            
Total debt 473,700,000     0          
Unamortized debt issuance costs 1,300,000                
Term loans | $225.0 Term Loan                  
Debt Instrument [Line Items]                  
Debt issued     $ 225,000,000.0            
Total debt 213,400,000     0          
Unamortized debt issuance costs 300,000                
Senior unsecured notes                  
Debt Instrument [Line Items]                  
Debt issued         $ 375,000,000.0        
Senior unsecured notes | $400.0 senior unsecured notes                  
Debt Instrument [Line Items]                  
Debt issued 400.0 $ 400,000,000.0              
Total debt 394,800,000     0          
Unamortized debt issuance costs 5,200,000                
Senior unsecured notes | $375.0 senior unsecured notes                  
Debt Instrument [Line Items]                  
Debt issued         375,000,000.0        
Total debt 370,800,000     370,100,000 $ 374,400,000        
Unamortized debt issuance costs 3,700,000     4,300,000          
Senior unsecured notes | $150.0 senior unsecured notes                  
Debt Instrument [Line Items]                  
Debt issued                 $ 150,000,000.0
Total debt 0     149,700,000          
Unamortized debt issuance costs 200,000                
$100.0 Series A Notes                  
Debt Instrument [Line Items]                  
Debt issued               $ 100,000,000.0  
Total debt 99,700,000     99,700,000          
Unamortized debt issuance costs 300,000     300,000          
$900 revolving credit facility (excluding outstanding letters of credit)                  
Debt Instrument [Line Items]                  
Maximum borrowing capacity           $ 900,000,000 $ 700,000,000.0    
Total debt 0     0          
Unamortized debt issuance costs 4,500,000                
Other                  
Debt Instrument [Line Items]                  
Total debt $ 200,000     $ 0