XML 21 R11.htm IDEA: XBRL DOCUMENT v3.21.4
Revenues (Notes)
3 Months Ended
Dec. 31, 2021
Revenues [Abstract]  
Revenue from Contract with Customer [Text Block] RevenuesRevenues consist of:
 Three Months Ended December 31,
 20212020
 (In millions)
Residential lot sales$404.1 $307.0 
Tract sales and other3.5 0.1 
$407.6 $307.1