Supplemental Guarantor Information - Statement of Cash Flows (Details) - USD ($) $ in Millions | 3 Months Ended |
Dec. 31, 2018 | Dec. 31, 2017 |
OPERATING ACTIVITIES | | |
Net cash (used in) provided by operating activities | $ (373.1) | $ (75) |
INVESTING ACTIVITIES | | |
Expenditures for property and equipment | (20.2) | (25.3) |
Proceeds from sale of assets | 10.4 | 24.8 |
Expenditures related to multi-family rental properties | (11.4) | (19.1) |
Return of investment in unconsolidated entities | 4.4 | 14.9 |
Net principal (increase) decrease of other mortgage loans and real estate owned | (0.6) | 0.1 |
Intercompany advances | 0 | 0 |
Payments related to business acquisitions, net of cash acquired | (293) | (156.4) |
Net cash (used in) provided by investing activities | (310.4) | (161) |
FINANCING ACTIVITIES | | |
Proceeds from notes payable | 578.3 | 1,113.9 |
Repayment of notes payable | (276.1) | (825.8) |
Advances (payments) on mortgage repurchase facility, net | (163.8) | (32.6) |
Intercompany advances | 0 | 0 |
Proceeds from stock associated with certain employee benefit plans | 8.6 | 14.6 |
Cash paid for shares withheld for taxes | (4.1) | (10.3) |
Cash dividends paid | (56) | (47) |
Repurchases of common stock | (140.6) | (25.4) |
Distributions to noncontrolling interests, net | (0.5) | (1.7) |
Net cash (used in) provided by financing activities | (54.2) | 185.7 |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect | (737.7) | (50.3) |
Cash, cash equivalents and restricted cash at beginning of period | 1,506 | 1,024.3 |
Cash, cash equivalents and restricted cash at end of period | 768.3 | 974 |
Eliminations [Member] | | |
OPERATING ACTIVITIES | | |
Net cash (used in) provided by operating activities | (25) | (32) |
INVESTING ACTIVITIES | | |
Expenditures for property and equipment | 0 | 0 |
Proceeds from sale of assets | 0 | 0 |
Expenditures related to multi-family rental properties | 0 | 0 |
Return of investment in unconsolidated entities | 0 | 0 |
Net principal (increase) decrease of other mortgage loans and real estate owned | 0 | 0 |
Intercompany advances | 129.9 | (2.7) |
Payments related to business acquisitions, net of cash acquired | 0 | 0 |
Net cash (used in) provided by investing activities | 129.9 | (2.7) |
FINANCING ACTIVITIES | | |
Proceeds from notes payable | 0 | 0 |
Repayment of notes payable | 0 | 0 |
Advances (payments) on mortgage repurchase facility, net | 0 | 0 |
Intercompany advances | (129.9) | 2.7 |
Proceeds from stock associated with certain employee benefit plans | 0 | 0 |
Cash paid for shares withheld for taxes | 0 | 0 |
Cash dividends paid | 25 | 32 |
Repurchases of common stock | 0 | 0 |
Distributions to noncontrolling interests, net | 0 | 0 |
Net cash (used in) provided by financing activities | (104.9) | 34.7 |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect | 0 | 0 |
Cash, cash equivalents and restricted cash at beginning of period | 0 | 0 |
Cash, cash equivalents and restricted cash at end of period | 0 | 0 |
D.R. Horton, Inc. [Member] | | |
OPERATING ACTIVITIES | | |
Net cash (used in) provided by operating activities | (137.6) | (3) |
INVESTING ACTIVITIES | | |
Expenditures for property and equipment | (10.2) | (15.1) |
Proceeds from sale of assets | 10.4 | 0 |
Expenditures related to multi-family rental properties | 0 | 0 |
Return of investment in unconsolidated entities | 0 | 0 |
Net principal (increase) decrease of other mortgage loans and real estate owned | 0 | 0 |
Intercompany advances | (129.9) | 2.7 |
Payments related to business acquisitions, net of cash acquired | (293) | (558.3) |
Net cash (used in) provided by investing activities | (422.7) | (570.7) |
FINANCING ACTIVITIES | | |
Proceeds from notes payable | 578.3 | 1,112.8 |
Repayment of notes payable | (275) | (815.2) |
Advances (payments) on mortgage repurchase facility, net | 0 | 0 |
Intercompany advances | 0 | 0 |
Proceeds from stock associated with certain employee benefit plans | 8.6 | 14.6 |
Cash paid for shares withheld for taxes | (4.1) | (10.3) |
Cash dividends paid | (56) | (47) |
Repurchases of common stock | (140.6) | (25.4) |
Distributions to noncontrolling interests, net | 0 | 0 |
Net cash (used in) provided by financing activities | 111.2 | 229.5 |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect | (449.1) | (344.2) |
Cash, cash equivalents and restricted cash at beginning of period | 914.7 | 788.7 |
Cash, cash equivalents and restricted cash at end of period | 465.6 | 444.5 |
Guarantor Subsidiaries [Member] | | |
OPERATING ACTIVITIES | | |
Net cash (used in) provided by operating activities | (244.2) | (61.6) |
INVESTING ACTIVITIES | | |
Expenditures for property and equipment | (6.4) | (7.8) |
Proceeds from sale of assets | 0 | 0 |
Expenditures related to multi-family rental properties | 0 | 0 |
Return of investment in unconsolidated entities | 0 | 0 |
Net principal (increase) decrease of other mortgage loans and real estate owned | 0 | 0 |
Intercompany advances | 0 | 0 |
Payments related to business acquisitions, net of cash acquired | 0 | 0 |
Net cash (used in) provided by investing activities | (6.4) | (7.8) |
FINANCING ACTIVITIES | | |
Proceeds from notes payable | 0 | 0 |
Repayment of notes payable | (1.1) | (0.6) |
Advances (payments) on mortgage repurchase facility, net | 0 | 0 |
Intercompany advances | 125.7 | (4.5) |
Proceeds from stock associated with certain employee benefit plans | 0 | 0 |
Cash paid for shares withheld for taxes | 0 | 0 |
Cash dividends paid | 0 | 0 |
Repurchases of common stock | 0 | 0 |
Distributions to noncontrolling interests, net | 0 | 0 |
Net cash (used in) provided by financing activities | 124.6 | (5.1) |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect | (126) | (74.5) |
Cash, cash equivalents and restricted cash at beginning of period | 160.7 | 156 |
Cash, cash equivalents and restricted cash at end of period | 34.7 | 81.5 |
Non-Guarantor Subsidiaries [Member] | | |
OPERATING ACTIVITIES | | |
Net cash (used in) provided by operating activities | 33.7 | 21.6 |
INVESTING ACTIVITIES | | |
Expenditures for property and equipment | (3.6) | (2.4) |
Proceeds from sale of assets | 0 | 24.8 |
Expenditures related to multi-family rental properties | (11.4) | (19.1) |
Return of investment in unconsolidated entities | 4.4 | 14.9 |
Net principal (increase) decrease of other mortgage loans and real estate owned | (0.6) | 0.1 |
Intercompany advances | 0 | 0 |
Payments related to business acquisitions, net of cash acquired | 0 | 401.9 |
Net cash (used in) provided by investing activities | (11.2) | 420.2 |
FINANCING ACTIVITIES | | |
Proceeds from notes payable | 0 | 1.1 |
Repayment of notes payable | 0 | (10) |
Advances (payments) on mortgage repurchase facility, net | (163.8) | (32.6) |
Intercompany advances | 4.2 | 1.8 |
Proceeds from stock associated with certain employee benefit plans | 0 | 0 |
Cash paid for shares withheld for taxes | 0 | 0 |
Cash dividends paid | (25) | (32) |
Repurchases of common stock | 0 | 0 |
Distributions to noncontrolling interests, net | (0.5) | (1.7) |
Net cash (used in) provided by financing activities | (185.1) | (73.4) |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect | (162.6) | 368.4 |
Cash, cash equivalents and restricted cash at beginning of period | 430.6 | 79.6 |
Cash, cash equivalents and restricted cash at end of period | $ 268 | $ 448 |