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v3.20.1

Notes Payable (Narratives) (Details) - USD ($) | 3 Months Ended |  |
--- | --- | --- | ---
Feb. 29, 2020 | Feb. 28, 2019 | Nov. 30, 2019 | Feb. 01, 2019
Debt Instrument [Line Items] |  |  |  |
Unamortized debt issuance costs, premiums and discounts | $ 8,700,000 |  | $ 9,100,000 |
Letters of credit outstanding | 45,800,000 |  | 34,700,000 |
Inventories pledged to collateralize mortgages and land contracts, carrying value | 30,800,000 |  |  |
Repayment of senior notes | 0 | $ 230,000,000 |  |
Proceeds from issuance of debt | 0 | $ 405,250,000 |  |
Repayments of principal, 2019 | 7,900,000 |  |  |
Repayments of principal, 2020 | 0 |  |  |
Repayments of principal, 2021 | 800,000,000.0 |  |  |
Repayments of principal, 2022 | 350,000,000.0 |  |  |
Repayments of principal, 2023 | 0 |  |  |
Repayments of principal, thereafter | $ 600,000,000.0 |  |  |
1.375% Convertible senior notes due February 1, 2019 [Member] | Convertible Notes Payable [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior notes, rate |  |  |  | 1.375%
6.875% Senior notes due June 15, 2027 [Member] | Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior notes, rate | 6.875% |  |  |
7.625% Senior notes due May 15, 2023 [Member] | Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior notes, rate | 7.625% |  |  |
4.75% Senior notes due May 15, 2019 [Member] | Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior notes, rate | 4.80% |  |  |
Revolving Credit Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Unsecured revolving credit facility, borrowing capacity | $ 800,000,000.0 |  |  |
Unsecured revolving credit facility, expiration date | Oct. 07, 2023 |  |  |
Unsecured revolving credit facility, maximum borrowing capacity | $ 1,000,000,000.00 |  |  |
Credit facility, letters of credit outstanding | 0 |  |  |
Unsecured revolving credit facility, remaining borrowing capacity | $ 787,600,000 |  |  |
Revolving Credit Facility [Member] | Minimum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.20% |  |  |
Revolving Credit Facility [Member] | Maximum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.35% |  |  |
Letter of Credit [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Unsecured revolving credit facility, maximum borrowing capacity | $ 250,000,000.0 |  |  |
Credit facility, letters of credit outstanding | 12,400,000 |  |  |
Unsecured revolving credit facility, remaining borrowing capacity | 237,600,000 |  |  |
LOC Facilities [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Unsecured revolving credit facility, borrowing capacity | 50,000,000.0 |  |  |
Letters of credit outstanding | $ 33,400,000 |  | $ 15,800,000 |

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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