Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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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.

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Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value as of the balance sheet date of all foreign currency derivative assets not designated as hedging instruments.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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Fair value as of the balance sheet date of all foreign currency derivative liabilities not designated as hedging instruments.

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The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness.

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Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

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DERIVATIVE INSTRUMENTS: (Details) - USD ($) $ in Thousands	3 Months Ended
DERIVATIVE INSTRUMENTS: (Details) - USD ($) $ in Thousands	Feb. 28, 2017	Feb. 29, 2016	Nov. 30, 2016	May 31, 2015
Derivative [Line Items]
Derivative instrument, subsequent period for de-recognition	2 months
Derivative, Fair Value, Net [Abstract]
Decrease in derivative asset and liability, offsetting	$ 554		$ 1,364
Foreign Exchange Forward Contracts [Member]
Derivative [Line Items]
Derivative, notional amount	$ 241,493		275,163
Foreign Exchange Forward Contracts [Member] \| Maximum [Member]
Derivative, Fair Value, Net [Abstract]
Foreign exchange forward contracts, maturity	6 months
Foreign Exchange Forward Contracts [Member] \| Other Income (Expense), net [Member]
Derivative, Fair Value, Net [Abstract]
Derivative instruments not designated as hedging instruments, gains (losses), net	$ (2,197)	$ 1,834
Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, notional amount				$ 400,000
Derivative, Fair Value, Net [Abstract]
Derivative instrument, hedging ineffectiveness	0	0
Derivative instruments, gains (losses) reclassified into earnings	0	0
Derivative instrument, gains (losses) to be reclassified to earnings within 12 months	0
Interest Rate Swap [Member] \| Other Comprehensive Income (Loss) [Member]
Derivative, Fair Value, Net [Abstract]
Derivative instruments, gain (loss) recognized in Other Comprehensive Income (Loss)	1,917	$ (8,290)
Not Designated as Hedging Instrument [Member] \| Foreign Exchange Forward Contracts [Member] \| Other Current Assets [Member]
Derivative, Fair Value, Net [Abstract]
Foreign exchange forward contract asset at fair value	901		1,700
Not Designated as Hedging Instrument [Member] \| Foreign Exchange Forward Contracts [Member] \| Other Accrued Liabilities [Member]
Derivative, Fair Value, Net [Abstract]
Foreign exchange forward contract liability at fair value	1,188		979
Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member] \| Other Accrued Liabilities [Member]
Derivative, Fair Value, Net [Abstract]
Interest rate cash flow hedge liability at fair value	257		706
Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member] \| Other Long-term Liabilities [Member]
Derivative, Fair Value, Net [Abstract]
Interest rate cash flow hedge liability at fair value	$ 5,075		$ 6,542