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Supplemental Guarantor Information (Details) - USD ($) $ in Millions | Jun. 30, 2016 | Sep. 30, 2015 | Jun. 30, 2015 | Sep. 30, 2014
--- | --- | --- | --- | ---
ASSETS |  |  |  |  |
Cash and cash equivalents |  | $ 906.8 | $ 1,383.8 | $ 805.6 | $ 661.8
Investments in subsidiaries |  | 0.0 | 0.0 |  |
Other assets |  | 531.9 | 530.2 |  |
Intercompany receivables |  | 0.0 | 0.0 |  |
Total assets |  | 11,333.2 | 11,151.0 |  |
LIABILITIES & EQUITY |  |  |  |  |
Accounts payable and other liabilities |  | 1,519.1 | 1,444.1 |  |
Intercompany payables |  | 0.0 | 0.0 |  |
Notes payable |  | 3,301.3 | 3,811.5 |  |
Total liabilities |  | 4,820.4 | 5,255.6 |  |
Stockholders’ equity |  | 6,512.2 | 5,894.3 |  |
Noncontrolling interests |  | 0.6 | 1.1 |  |
Total equity |  | 6,512.8 | 5,895.4 |  |
Total liabilities and equity |  | 11,333.2 | 11,151.0 |  |
D.R. Horton, Inc. [Member] |  |  |  |  |
ASSETS |  |  |  |  |
Cash and cash equivalents |  | 717.0 | 1,217.7 | 616.5 | 497.4
Investments in subsidiaries |  | 3,927.7 | 3,479.7 |  |
Other assets |  | 151.5 | 199.5 |  |
Intercompany receivables |  | 1,864.8 | 1,932.2 |  |
Total assets |  | 9,764.1 | 9,668.3 |  |
LIABILITIES & EQUITY |  |  |  |  |
Accounts payable and other liabilities |  | 460.5 | 447.2 |  |
Intercompany payables |  | 0.0 | 0.0 |  |
Notes payable |  | 2,788.0 | 3,326.8 |  |
Total liabilities |  | 3,248.5 | 3,774.0 |  |
Stockholders’ equity |  | 6,515.6 | 5,894.3 |  |
Noncontrolling interests |  | 0.0 | 0.0 |  |
Total equity |  | 6,515.6 | 5,894.3 |  |
Total liabilities and equity |  | 9,764.1 | 9,668.3 |  |
Guarantor Subsidiaries [Member] |  |  |  |  |
ASSETS |  |  |  |  |
Cash and cash equivalents |  | 99.1 | 94.6 | 103.7 | 89.5
Investments in subsidiaries |  | 0.0 | 0.0 |  |
Other assets |  | 257.3 | 240.4 |  |
Intercompany receivables |  | 8.1 | 0.0 |  |
Total assets |  | 6,413.1 | 6,034.5 |  |
LIABILITIES & EQUITY |  |  |  |  |
Accounts payable and other liabilities |  | 939.3 | 872.8 |  |
Intercompany payables |  | 1,718.4 | 1,856.7 |  |
Notes payable |  | 9.1 | 6.8 |  |
Total liabilities |  | 2,666.8 | 2,736.3 |  |
Stockholders’ equity |  | 3,746.3 | 3,298.2 |  |
Noncontrolling interests |  | 0.0 | 0.0 |  |
Total equity |  | 3,746.3 | 3,298.2 |  |
Total liabilities and equity |  | 6,413.1 | 6,034.5 |  |
Non-Guarantor Subsidiaries [Member] |  |  |  |  |
ASSETS |  |  |  |  |
Cash and cash equivalents |  | 90.7 | 71.5 | 85.4 | 74.9
Investments in subsidiaries |  | 0.0 | 0.0 |  |
Other assets |  | 128.3 | 90.3 |  |
Intercompany receivables |  | 0.0 | 0.0 |  |
Total assets |  | 961.8 | 860.1 |  |
LIABILITIES & EQUITY |  |  |  |  |
Accounts payable and other liabilities |  | 121.1 | 124.1 |  |
Intercompany payables |  | 154.5 | 75.5 |  |
Notes payable |  | 504.2 | 477.9 |  |
Total liabilities |  | 779.8 | 677.5 |  |
Stockholders’ equity |  | 181.4 | 181.5 |  |
Noncontrolling interests |  | 0.6 | 1.1 |  |
Total equity |  | 182.0 | 182.6 |  |
Total liabilities and equity |  | 961.8 | 860.1 |  |
Homebuilding [Member] |  |  |  |  |
ASSETS |  |  |  |  |
Cash and cash equivalents |  | 862.9 | 1,355.9 |  |
Restricted cash |  | 11.8 | 9.7 |  |
Inventories | [1] | 8,504.2 | 7,807.0 |  |
Deferred income taxes |  | 505.1 | 558.1 |  |
Property and equipment, net |  | 151.7 | 144.0 |  |
Other assets |  | 422.8 | 456.2 |  |
Goodwill |  | 87.2 | 87.2 |  |
Total assets |  | 10,545.7 | 10,418.1 |  |
LIABILITIES & EQUITY |  |  |  |  |
Notes payable |  | 2,797.1 | 3,333.6 |  |
Total liabilities |  | 4,275.1 | 4,735.8 |  |
Homebuilding [Member] | D.R. Horton, Inc. [Member] |  |  |  |  |
ASSETS |  |  |  |  |
Restricted cash |  | 8.6 | 7.4 |  |
Inventories |  | 2,861.5 | 2,597.3 |  |
Deferred income taxes |  | 166.8 | 179.9 |  |
Property and equipment, net |  | 66.2 | 54.6 |  |
Goodwill |  | 0.0 | 0.0 |  |
Homebuilding [Member] | Guarantor Subsidiaries [Member] |  |  |  |  |
ASSETS |  |  |  |  |
Restricted cash |  | 3.2 | 2.3 |  |
Inventories |  | 5,576.6 | 5,184.3 |  |
Deferred income taxes |  | 333.1 | 373.0 |  |
Property and equipment, net |  | 48.5 | 52.7 |  |
Goodwill |  | 87.2 | 87.2 |  |
Homebuilding [Member] | Non-Guarantor Subsidiaries [Member] |  |  |  |  |
ASSETS |  |  |  |  |
Restricted cash |  | 0.0 | 0.0 |  |
Inventories |  | 66.1 | 25.4 |  |
Deferred income taxes |  | 5.2 | 5.2 |  |
Property and equipment, net |  | 37.0 | 36.7 |  |
Goodwill |  | 0.0 | 0.0 |  |
Financial Services [Member] |  |  |  |  |
ASSETS |  |  |  |  |
Cash and cash equivalents |  | 43.9 | 27.9 |  |
Other assets |  | 109.1 | 74.0 |  |
Mortgage loans held for sale |  | 634.5 | 631.0 |  |
Total assets |  | 787.5 | 732.9 |  |
LIABILITIES & EQUITY |  |  |  |  |
Total liabilities |  | 545.3 | 519.8 |  |
Financial Services [Member] | D.R. Horton, Inc. [Member] |  |  |  |  |
ASSETS |  |  |  |  |
Mortgage loans held for sale |  | 0.0 | 0.0 |  |
Financial Services [Member] | Guarantor Subsidiaries [Member] |  |  |  |  |
ASSETS |  |  |  |  |
Mortgage loans held for sale |  | 0.0 | 0.0 |  |
Financial Services [Member] | Non-Guarantor Subsidiaries [Member] |  |  |  |  |
ASSETS |  |  |  |  |
Mortgage loans held for sale |  | 634.5 | 631.0 |  |
Eliminations [Member] |  |  |  |  |
ASSETS |  |  |  |  |
Cash and cash equivalents |  | 0.0 | 0.0 | $ 0.0 | $ 0.0
Investments in subsidiaries |  | (3,927.7) | (3,479.7) |  |
Other assets |  | (5.2) | 0.0 |  |
Intercompany receivables |  | (1,872.9) | (1,932.2) |  |
Total assets |  | (5,805.8) | (5,411.9) |  |
LIABILITIES & EQUITY |  |  |  |  |
Accounts payable and other liabilities |  | (1.8) | 0.0 |  |
Intercompany payables |  | (1,872.9) | (1,932.2) |  |
Notes payable |  | 0.0 | 0.0 |  |
Total liabilities |  | (1,874.7) | (1,932.2) |  |
Stockholders’ equity |  | (3,931.1) | (3,479.7) |  |
Noncontrolling interests |  | 0.0 | 0.0 |  |
Total equity |  | (3,931.1) | (3,479.7) |  |
Total liabilities and equity |  | (5,805.8) | (5,411.9) |  |
Eliminations [Member] | Homebuilding [Member] |  |  |  |  |
ASSETS |  |  |  |  |
Restricted cash |  | 0.0 | 0.0 |  |
Inventories |  | 0.0 | 0.0 |  |
Deferred income taxes |  | 0.0 | 0.0 |  |
Property and equipment, net |  | 0.0 | 0.0 |  |
Goodwill |  | 0.0 | 0.0 |  |
Eliminations [Member] | Financial Services [Member] |  |  |  |  |
ASSETS |  |  |  |  |
Mortgage loans held for sale |  | $ 0.0 | $ 0.0 |  |
[1] | Homebuilding inventories are the only assets included in the measure of homebuilding segment assets used by the Company’s chief operating decision makers.

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