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Derivative Instruments (Narrative) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Nov. 30, 2020 | Nov. 30, 2019 | Nov. 30, 2018 | Jul. 09, 2019
Interest Rate Swap |  |  |  |
Derivative [Line Items] |  |  |  |
Notional amount |  |  |  | $ 150,000,000.0
Percentage of variable rate debt, managed variability | 50.00% |  |  |
Fixed interest rate |  |  |  | 1.855%
Derivative liabilities | $ 6,900,000 | $ 2,100,000 |  |
Interest Rate Swap | London Interbank Offered Rate (LIBOR) |  |  |  |
Derivative [Line Items] |  |  |  |
Basis spread on variable rate |  |  |  | 0.00%
Forward Contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative liabilities | $ 1,400,000 |  |  |
Minimum maturity period, foreign currency derivative | 30 days |  |  |
Maximum maturity period, foreign currency derivative | 2 years |  |  |
Gains (losses) on foreign currency option contracts | $ 1,700,000 | (1,100,000) | $ (6,900,000) |
Forward Contracts | Other Noncurrent Liabilities |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative liabilities |  | $ 100,000 |  |

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- Definition Minimum Remaining Maturity of Foreign Currency Derivatives + References No definition available. + Details
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- Definition The percentage points added to the reference rate to compute the variable rate on the interest rate derivative. + References No definition available. + Details
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- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=121570589&loc=SL51823488-111719 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 + Details
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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959 + Details
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- Definition Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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