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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Paragraph 1
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No definition available.

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
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-Section S99
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Loans Payable, Senior Notes, and Mortgage Company Loan Facility Senior Notes (Details 3) - USD ($) $ in Thousands	Oct. 31, 2019	Oct. 31, 2018	Jan. 31, 2018
Senior Notes [Abstract]
Senior notes	$ 2,659,898	$ 2,861,375
4.0% Senior Notes due 2018 [Member]
Senior Notes [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	4.00%		4.00%
Senior notes	$ 0	350,000
6.75% Senior Notes due 2019 [Member]
Senior Notes [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	6.75%
Senior notes	$ 0	250,000
5.875 % senior notes due 2022 [Member]
Senior Notes [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	5.875%
Senior notes	$ 419,876	419,876
4.375% Senior Notes due 2023 [Member]
Senior Notes [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	4.375%
Senior notes	$ 400,000	400,000
5.625% Senior notes due 2024 [Member]
Senior Notes [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	5.625%
Senior notes	$ 250,000	250,000
4.875% Senior Notes Due 2025 [Member]
Senior Notes [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	4.875%
Senior notes	$ 350,000	350,000
4.875% Senior Notes Due 2027 [Member]
Senior Notes [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	4.875%
Senior notes	$ 450,000	450,000
4.350% Senior Notes Due 2028 [Member]
Senior Notes [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	4.35%		4.35%
Senior notes	$ 400,000	400,000	$ 400,000
3.80% Senior Notes Due 2029 [Member]
Senior Notes [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	3.80%
Senior notes	$ 400,000	0
Senior Notes [Member]
Senior Notes [Abstract]
Deferred Finance Costs, Net	$ (9,978)	$ (8,501)