Long-Term Debt - Summary of Long-Term Debt Carrying Values Including Unamortized Discounts and Premiums (Detail) - USD ($) $ in Thousands	May 31, 2017	Nov. 30, 2016
Debt Instrument [Line Items]
Long-term debt	$ 6,304,032	$ 5,483,355
Structured Notes [Member]
Debt Instrument [Line Items]
Long-term debt	399,556	255,203
Unsecured Debt [Member] \| 5.125% Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 755,058	817,813
Debt instrument interest rate	5.125%
Effective Interest Rate	3.46%
Unsecured Debt [Member] \| 8.500% Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 746,551	778,367
Debt instrument interest rate	8.50%
Effective Interest Rate	4.00%
Unsecured Debt [Member] \| 2.375% Euro Medium Term Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 560,726	528,250
Debt instrument interest rate	2.375%
Effective Interest Rate	2.42%
Unsecured Debt [Member] \| 6.875% Senior Note [Member]
Debt Instrument [Line Items]
Long-term debt	$ 816,063	823,797
Debt instrument interest rate	6.875%
Effective Interest Rate	4.40%
Unsecured Debt [Member] \| 2.250% Euro Medium Term Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 4,116	3,848
Debt instrument interest rate	2.25%
Effective Interest Rate	4.08%
Unsecured Debt [Member] \| 5.125% Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 617,044	618,355
Debt instrument interest rate	5.125%
Effective Interest Rate	4.55%
Unsecured Debt [Member] \| 4.850% Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 749,134	0
Debt instrument interest rate	4.85%
Effective Interest Rate	4.93%
Unsecured Debt [Member] \| 6.450% Senior Debentures [Member]
Debt Instrument [Line Items]
Long-term debt	$ 376,813	377,806
Debt instrument interest rate	6.45%
Effective Interest Rate	5.46%
Unsecured Debt [Member] \| 3.875% Convertible Senior Debentures [Member]
Debt Instrument [Line Items]
Long-term debt	$ 345,587	346,187
Debt instrument interest rate	3.875%
Effective Interest Rate	3.50%
Unsecured Debt [Member] \| 6.250% Senior Debentures [Member]
Debt Instrument [Line Items]
Long-term debt	$ 512,220	512,396
Debt instrument interest rate	6.25%
Effective Interest Rate	6.03%
Unsecured Debt [Member] \| 6.500% Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 421,164	$ 421,333
Debt instrument interest rate	6.50%
Effective Interest Rate	6.09%

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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