Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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Period Type:	instant

- Definition

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

+ References

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ 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(19)(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(1))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average interest rate of short-term debt outstanding calculated at point in time.

+ References

+ Details

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Data Type:	num:percentItemType
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- Details

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- Details

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- Details

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- Details

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Short-Term Borrowings (Details)	12 Months Ended
Short-Term Borrowings (Details)	Nov. 30, 2019 USD ($)	Jul. 29, 2019 EUR (€)	Dec. 27, 2018 USD ($)	Nov. 30, 2018 USD ($)
Short-term Debt [Line Items]
Short-term borrowings	$ 548,490,000			$ 387,492,000
Interest rate on short-term borrowings	3.24%			3.08%
Floating rate puttable notes
Short-term Debt [Line Items]
Short-term borrowings	$ 0			$ 56,550,000
Debt principal amount \| €		€ 50,000,000.0
Equity-linked Notes [Member]
Short-term Debt [Line Items]
Short-term borrowings	20,981,000			0
Equity-linked notes, mature on March 13, 2020
Short-term Debt [Line Items]
Debt principal amount	5,200,000
Equity-linked notes, mature on October 7, 2020
Short-term Debt [Line Items]
Debt principal amount	15,100,000
Jefferies Group Credit Facility
Short-term Debt [Line Items]
Committed amount			$ 135,000,000.0
Bank loans
Short-term Debt [Line Items]
Short-term borrowings	527,509,000			$ 330,942,000
Credit Facility \| Intraday Credit Facility
Short-term Debt [Line Items]
Committed amount	$ 150,000,000.0
Interest rate	0.12%
Credit Facility \| Intraday Credit Facility \| Base rate
Short-term Debt [Line Items]
Basis spread on variable rate	3.00%
Credit Facility \| Intraday Credit Facility \| Federal Funds Rate
Short-term Debt [Line Items]
Basis spread on variable rate	0.50%