Condensed Consolidating Financial Information - Cash Flow Statement Tables (Details) - USD ($) $ in Millions | Feb. 21, 2018 | Sep. 30, 2019 | Sep. 30, 2019 | Sep. 30, 2018 |
Condensed Financial Statements, Captions [Line Items] | | | | |
Increase (Decrease) in Due to Related Parties | | | | $ 0 |
Condensed Consolidating Statements of Cash Flows | | | | |
Net cash provided by operating activities | | | $ 419.7 | 584 |
Cash flows from investing activities: | | | | |
Purchases of property and equipment | | | (259.9) | (171.5) |
Additions to capitalized software costs | | | (9.2) | (13.2) |
Acquisitions of businesses, net of cash acquired | | | (231.2) | (135.8) |
Funding of intercompany note receivable | | | 0 | |
Proceeds from repayment of intercompany notes receivable | | | 0 | 0 |
Other, net | | | (11.4) | (5.8) |
Net cash used in investing activities | | | (511.7) | (326.3) |
Cash flows from financing activities: | | | | |
Proceeds from bond issuance | | | 1,000 | 0 |
Principal payments on debt, including pre-payments | | | (115.8) | (16.1) |
Principal borrowings on intercompany note payable | | | 0 | |
Principal payments on intercompany note payable | | | 0 | 0 |
Borrowings on revolving credit facility | | | 525 | 285 |
Payments on revolving credit facility | | | (555) | (315) |
Principal payments under finance lease obligations | | | (14.2) | (13) |
Debt issuance costs | | | (15.2) | 0 |
Repurchases of common stock, including fees and expenses | | | (45.9) | 0 |
Dividends paid on common stock | | | (81.3) | (74.4) |
Purchase of equity interests in consolidated affiliates | $ (65) | $ (163) | (162.9) | (65.1) |
Distributions paid to noncontrolling interests of consolidated affiliates | | | (57.6) | (56.5) |
Taxes paid on behalf of employees for shares withheld | | | (16.2) | (8.3) |
Other, net | | | 11.4 | 9.9 |
Change in intercompany advances | | | 0 | 0 |
Net cash provided by (used in) financing activities | | | 472.3 | (253.5) |
Increase in cash, cash equivalents, and restricted cash | | | 380.3 | 4.2 |
Cash, cash equivalents, and restricted cash at beginning of period | | | 133.5 | 116.8 |
Cash, cash equivalents, and restricted cash at end of period | | 513.8 | 513.8 | 121 |
Reconciliation of Cash, Cash Equivalents, and Restricted Cash | | | | |
Cash and cash equivalents at beginning of period | | | 69.2 | 54.4 |
Restricted cash at beginning of period | | | 59 | 62.4 |
Restricted cash included in other long-term assets at beginning of period | | | 5.3 | 0 |
Cash, cash equivalents, and restricted cash at beginning of period | | | 133.5 | 116.8 |
Cash and cash equivalents at end of period | | 422 | 422 | 56.9 |
Restricted cash at end of period | | 66.8 | 66.8 | 62.1 |
Restricted cash included in other long-term assets at end of period | | 25 | 25 | 2 |
Cash, cash equivalents, and restricted cash at end of period | | 513.8 | 513.8 | 121 |
Encompass Health Corporation [Member] | | | | |
Condensed Financial Statements, Captions [Line Items] | | | | |
Increase (Decrease) in Due to Related Parties | | | | (135.8) |
Condensed Consolidating Statements of Cash Flows | | | | |
Net cash provided by operating activities | | | (43.7) | (16.9) |
Cash flows from investing activities: | | | | |
Purchases of property and equipment | | | (22.3) | (23.3) |
Additions to capitalized software costs | | | (4.5) | (12.1) |
Acquisitions of businesses, net of cash acquired | | | (217.5) | (129.7) |
Funding of intercompany note receivable | | | (64) | |
Proceeds from repayment of intercompany notes receivable | | | 39.5 | 70 |
Other, net | | | (6.8) | (6.8) |
Net cash used in investing activities | | | (275.6) | (101.9) |
Cash flows from financing activities: | | | | |
Proceeds from bond issuance | | | 1,000 | |
Principal payments on debt, including pre-payments | | | (114.3) | (13.8) |
Principal borrowings on intercompany note payable | | | 0 | |
Principal payments on intercompany note payable | | | (17.5) | 0 |
Borrowings on revolving credit facility | | | 525 | 285 |
Payments on revolving credit facility | | | (555) | (315) |
Principal payments under finance lease obligations | | | (0.5) | 0 |
Debt issuance costs | | | (15.2) | |
Repurchases of common stock, including fees and expenses | | | (45.9) | |
Dividends paid on common stock | | | (81.2) | (74.3) |
Purchase of equity interests in consolidated affiliates | | | (162.9) | (65.1) |
Distributions paid to noncontrolling interests of consolidated affiliates | | | 0 | 0 |
Taxes paid on behalf of employees for shares withheld | | | (15) | (7.4) |
Other, net | | | (0.6) | 3.1 |
Change in intercompany advances | | | 152.1 | 314 |
Net cash provided by (used in) financing activities | | | 669 | 126.5 |
Increase in cash, cash equivalents, and restricted cash | | | 349.7 | 7.7 |
Cash, cash equivalents, and restricted cash at beginning of period | | | 41.5 | 34.3 |
Cash, cash equivalents, and restricted cash at end of period | | 391.2 | 391.2 | 42 |
Reconciliation of Cash, Cash Equivalents, and Restricted Cash | | | | |
Cash and cash equivalents at beginning of period | | | 41.5 | 34.3 |
Restricted cash at beginning of period | | | 0 | 0 |
Restricted cash included in other long-term assets at beginning of period | | | 0 | |
Cash, cash equivalents, and restricted cash at beginning of period | | | 41.5 | 34.3 |
Cash and cash equivalents at end of period | | 391.2 | 391.2 | 42 |
Restricted cash at end of period | | 0 | 0 | 0 |
Restricted cash included in other long-term assets at end of period | | 0 | 0 | 0 |
Cash, cash equivalents, and restricted cash at end of period | | 391.2 | 391.2 | 42 |
Guarantor Subsidiaries [Member] | | | | |
Condensed Financial Statements, Captions [Line Items] | | | | |
Increase (Decrease) in Due to Related Parties | | | | 0 |
Condensed Consolidating Statements of Cash Flows | | | | |
Net cash provided by operating activities | | | 299.9 | 339.3 |
Cash flows from investing activities: | | | | |
Purchases of property and equipment | | | (136.9) | (98.3) |
Additions to capitalized software costs | | | (0.6) | 0 |
Acquisitions of businesses, net of cash acquired | | | 0 | 0 |
Funding of intercompany note receivable | | | 0 | |
Proceeds from repayment of intercompany notes receivable | | | 0 | 0 |
Other, net | | | (1) | 2.9 |
Net cash used in investing activities | | | (138.5) | (95.4) |
Cash flows from financing activities: | | | | |
Proceeds from bond issuance | | | 0 | |
Principal payments on debt, including pre-payments | | | 0 | 0 |
Principal borrowings on intercompany note payable | | | 0 | |
Principal payments on intercompany note payable | | | 0 | 0 |
Borrowings on revolving credit facility | | | 0 | 0 |
Payments on revolving credit facility | | | 0 | 0 |
Principal payments under finance lease obligations | | | (5.9) | (6.2) |
Debt issuance costs | | | 0 | |
Repurchases of common stock, including fees and expenses | | | 0 | |
Dividends paid on common stock | | | 0 | 0 |
Purchase of equity interests in consolidated affiliates | | | 0 | 0 |
Distributions paid to noncontrolling interests of consolidated affiliates | | | 0 | 0 |
Taxes paid on behalf of employees for shares withheld | | | 0 | 0 |
Other, net | | | 0 | 0 |
Change in intercompany advances | | | (154.8) | (236.3) |
Net cash provided by (used in) financing activities | | | (160.7) | (242.5) |
Increase in cash, cash equivalents, and restricted cash | | | 0.7 | 1.4 |
Cash, cash equivalents, and restricted cash at beginning of period | | | 3 | 3 |
Cash, cash equivalents, and restricted cash at end of period | | 3.7 | 3.7 | 4.4 |
Reconciliation of Cash, Cash Equivalents, and Restricted Cash | | | | |
Cash and cash equivalents at beginning of period | | | 3 | 3 |
Restricted cash at beginning of period | | | 0 | 0 |
Restricted cash included in other long-term assets at beginning of period | | | 0 | |
Cash, cash equivalents, and restricted cash at beginning of period | | | 3 | 3 |
Cash and cash equivalents at end of period | | 3.7 | 3.7 | 4.4 |
Restricted cash at end of period | | 0 | 0 | 0 |
Restricted cash included in other long-term assets at end of period | | 0 | 0 | 0 |
Cash, cash equivalents, and restricted cash at end of period | | 3.7 | 3.7 | 4.4 |
Nonguarantor Subsidiaries [Member] | | | | |
Condensed Financial Statements, Captions [Line Items] | | | | |
Increase (Decrease) in Due to Related Parties | | | | 135.8 |
Condensed Consolidating Statements of Cash Flows | | | | |
Net cash provided by operating activities | | | 163.5 | 261.6 |
Cash flows from investing activities: | | | | |
Purchases of property and equipment | | | (100.7) | (49.9) |
Additions to capitalized software costs | | | (4.1) | (1.1) |
Acquisitions of businesses, net of cash acquired | | | (13.7) | (6.1) |
Funding of intercompany note receivable | | | 0 | |
Proceeds from repayment of intercompany notes receivable | | | 17.5 | 0 |
Other, net | | | (3.6) | (1.9) |
Net cash used in investing activities | | | (104.6) | (59) |
Cash flows from financing activities: | | | | |
Proceeds from bond issuance | | | 0 | |
Principal payments on debt, including pre-payments | | | (1.5) | (2.3) |
Principal borrowings on intercompany note payable | | | 64 | |
Principal payments on intercompany note payable | | | (39.5) | (70) |
Borrowings on revolving credit facility | | | 0 | 0 |
Payments on revolving credit facility | | | 0 | 0 |
Principal payments under finance lease obligations | | | (7.8) | (6.8) |
Debt issuance costs | | | 0 | |
Repurchases of common stock, including fees and expenses | | | 0 | |
Dividends paid on common stock | | | (0.1) | (0.1) |
Purchase of equity interests in consolidated affiliates | | | 0 | 0 |
Distributions paid to noncontrolling interests of consolidated affiliates | | | (57.6) | (56.5) |
Taxes paid on behalf of employees for shares withheld | | | (1.2) | (0.9) |
Other, net | | | 12 | 6.8 |
Change in intercompany advances | | | 2.7 | (77.7) |
Net cash provided by (used in) financing activities | | | (29) | (207.5) |
Increase in cash, cash equivalents, and restricted cash | | | 29.9 | (4.9) |
Cash, cash equivalents, and restricted cash at beginning of period | | | 89 | 79.5 |
Cash, cash equivalents, and restricted cash at end of period | | 118.9 | 118.9 | 74.6 |
Reconciliation of Cash, Cash Equivalents, and Restricted Cash | | | | |
Cash and cash equivalents at beginning of period | | | 24.7 | 17.1 |
Restricted cash at beginning of period | | | 59 | 62.4 |
Restricted cash included in other long-term assets at beginning of period | | | 5.3 | |
Cash, cash equivalents, and restricted cash at beginning of period | | | 89 | 79.5 |
Cash and cash equivalents at end of period | | 27.1 | 27.1 | 10.5 |
Restricted cash at end of period | | 66.8 | 66.8 | 62.1 |
Restricted cash included in other long-term assets at end of period | | 25 | 25 | 2 |
Cash, cash equivalents, and restricted cash at end of period | | 118.9 | 118.9 | 74.6 |
Consolidation, Eliminations [Member] | | | | |
Condensed Financial Statements, Captions [Line Items] | | | | |
Increase (Decrease) in Due to Related Parties | | | | 0 |
Condensed Consolidating Statements of Cash Flows | | | | |
Net cash provided by operating activities | | | 0 | 0 |
Cash flows from investing activities: | | | | |
Purchases of property and equipment | | | 0 | 0 |
Additions to capitalized software costs | | | 0 | 0 |
Acquisitions of businesses, net of cash acquired | | | 0 | 0 |
Funding of intercompany note receivable | | | 64 | |
Proceeds from repayment of intercompany notes receivable | | | (57) | (70) |
Other, net | | | 0 | 0 |
Net cash used in investing activities | | | 7 | (70) |
Cash flows from financing activities: | | | | |
Proceeds from bond issuance | | | 0 | |
Principal payments on debt, including pre-payments | | | 0 | 0 |
Principal borrowings on intercompany note payable | | | (64) | |
Principal payments on intercompany note payable | | | 57 | 70 |
Borrowings on revolving credit facility | | | 0 | 0 |
Payments on revolving credit facility | | | 0 | 0 |
Principal payments under finance lease obligations | | | 0 | 0 |
Debt issuance costs | | | 0 | |
Repurchases of common stock, including fees and expenses | | | 0 | |
Dividends paid on common stock | | | 0 | 0 |
Purchase of equity interests in consolidated affiliates | | | 0 | 0 |
Distributions paid to noncontrolling interests of consolidated affiliates | | | 0 | 0 |
Taxes paid on behalf of employees for shares withheld | | | 0 | 0 |
Other, net | | | 0 | 0 |
Change in intercompany advances | | | 0 | 0 |
Net cash provided by (used in) financing activities | | | (7) | 70 |
Increase in cash, cash equivalents, and restricted cash | | | 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 | 0 |
Reconciliation of Cash, Cash Equivalents, and Restricted Cash | | | | |
Cash and cash equivalents at beginning of period | | | 0 | 0 |
Restricted cash at beginning of period | | | 0 | 0 |
Restricted cash included in other long-term assets at beginning of period | | | 0 | |
Cash, cash equivalents, and restricted cash at beginning of period | | | 0 | 0 |
Cash and cash equivalents at end of period | | 0 | 0 | 0 |
Restricted cash at end of period | | 0 | 0 | 0 |
Restricted cash included in other long-term assets at end of period | | 0 | 0 | 0 |
Cash, cash equivalents, and restricted cash at end of period | | $ 0 | $ 0 | $ 0 |