XML 48 R37.htm IDEA: XBRL DOCUMENT v3.19.2
Notes Payable (Details) - USD ($)
$ in Millions
9 Months Ended
Jun. 30, 2019
Sep. 30, 2018
Debt Instrument [Line Items]    
Document Period End Date Jun. 30, 2019  
Unsecured:    
Notes payable $ 3,450.6 $ 3,203.5
Home Building [Member]    
Unsecured:    
Notes payable 2,191.3 2,445.9
Revolving credit facility 150.0 0.0
Financial Services [Member]    
Unsecured:    
Notes payable 796.5 637.7
Forestar Group [Member]    
Unsecured:    
Notes payable 462.8 119.9
Revolving credit facility $ 0.0 0.0
3.75% senior notes due 2019 [Member] | Home Building [Member]    
Unsecured:    
Stated interest rate 3.75%  
Notes payable $ 0.0 499.6
4.0% senior notes due 2020 [Member] | Home Building [Member]    
Unsecured:    
Stated interest rate 4.00%  
Notes payable $ 499.4 498.8
2.55% senior notes due 2020 [Member] | Home Building [Member]    
Unsecured:    
Stated interest rate 2.55%  
Notes payable $ 398.6 397.9
4.375% senior notes due 2022 [Member] | Home Building [Member]    
Unsecured:    
Stated interest rate 4.375%  
Notes payable $ 348.7 348.4
4.75% senior notes due 2023 [Member] | Home Building [Member]    
Unsecured:    
Stated interest rate 4.75%  
Notes payable $ 298.9 298.7
5.75% senior notes due 2023 [Member] | Home Building [Member]    
Unsecured:    
Stated interest rate 5.75%  
Notes payable $ 398.2 398.0
3.75% convertible senior notes due 2020 [Member] | Forestar Group [Member]    
Unsecured:    
Notes payable 119.3 119.9
Senior Note Member Forty One [Member] | Forestar Group [Member]    
Unsecured:    
Notes payable 343.5 0.0
Secured Debt [Member] | Home Building [Member]    
Unsecured:    
Notes payable $ 97.5 $ 4.5