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FAIR VALUE MEASUREMENTS: (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|
|
May 31, 2014
months
|
May 31, 2014
Fair Value, Measurements, Recurring [Member]
Level 1 [Member]
|
Nov. 30, 2013
Fair Value, Measurements, Recurring [Member]
Level 1 [Member]
|
May 31, 2014
Fair Value, Measurements, Recurring [Member]
Level 2 [Member]
|
Nov. 30, 2013
Fair Value, Measurements, Recurring [Member]
Level 2 [Member]
|
May 31, 2014
Fair Value, Measurements, Recurring [Member]
Level 3 [Member]
|
Nov. 30, 2013
Fair Value, Measurements, Recurring [Member]
Level 3 [Member]
|
May 31, 2014
Fair Value, Measurements, Recurring [Member]
Total [Member]
|
Nov. 30, 2013
Fair Value, Measurements, Recurring [Member]
Total [Member]
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||
| Cash equivalents, maximum maturity period (in months) | 3 | ||||||||
| Assets | |||||||||
| Cash equivalents | $ 34,975 | $ 28,779 | $ 34,975 | $ 28,779 | |||||
| Trading securities | 1,828 | 4,728 | 1,828 | 4,728 | |||||
| Available-for-sale securities | 1,602 | 1,275 | 1,602 | 1,275 | |||||
| Forward foreign currency exchange contracts | 247 | 2,386 | 247 | 2,386 | |||||
| Liabilities: | |||||||||
| Forward foreign currency exchange contracts | 2,082 | 80 | 2,082 | 80 | |||||
| Acquisition-related contingent consideration | $ 867 | $ 6,077 | $ 867 | $ 6,077 |