|
FAIR VALUE MEASUREMENTS: (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
May 31, 2013
months
|
May 31, 2013
Fair Value, Measurements, Recurring [Member]
Level 1 [Member]
|
Nov. 30, 2012
Fair Value, Measurements, Recurring [Member]
Level 1 [Member]
|
May 31, 2013
Fair Value, Measurements, Recurring [Member]
Level 1 [Member]
Short-term Investments [Member]
|
Nov. 30, 2012
Fair Value, Measurements, Recurring [Member]
Level 1 [Member]
Short-term Investments [Member]
|
May 31, 2013
Fair Value, Measurements, Recurring [Member]
Level 1 [Member]
Other Assets [Member]
|
Nov. 30, 2012
Fair Value, Measurements, Recurring [Member]
Level 1 [Member]
Other Assets [Member]
|
May 31, 2013
Fair Value, Measurements, Recurring [Member]
Level 2 [Member]
|
Nov. 30, 2012
Fair Value, Measurements, Recurring [Member]
Level 2 [Member]
|
May 31, 2013
Fair Value, Measurements, Recurring [Member]
Level 3 [Member]
|
Nov. 30, 2012
Fair Value, Measurements, Recurring [Member]
Level 3 [Member]
|
May 31, 2013
Fair Value, Measurements, Recurring [Member]
Total [Member]
|
Nov. 30, 2012
Fair Value, Measurements, Recurring [Member]
Total [Member]
|
May 31, 2013
Fair Value, Measurements, Recurring [Member]
Total [Member]
Short-term Investments [Member]
|
Nov. 30, 2012
Fair Value, Measurements, Recurring [Member]
Total [Member]
Short-term Investments [Member]
|
May 31, 2013
Fair Value, Measurements, Recurring [Member]
Total [Member]
Other Assets [Member]
|
Nov. 30, 2012
Fair Value, Measurements, Recurring [Member]
Total [Member]
Other Assets [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 | $ 118,518 | $ 95,074 | $ 118,518 | $ 95,074 | |||||||||||||
| Trading securities | 4,196 | 5,709 | 4,196 | 5,709 | |||||||||||||
| Available-for-sale securities | 45 | 44 | 1,091 | 1,117 | 45 | 44 | 1,091 | 1,117 | |||||||||
| Forward foreign currency exchange contracts | 2,487 | 1,292 | 2,487 | 1,292 | |||||||||||||
| Liabilities: | |||||||||||||||||
| Forward foreign currency exchange contracts | 215 | 0 | 215 | 0 | |||||||||||||
| Acquisition-related contingent consideration | $ 2,070 | $ 2,611 | $ 2,070 | $ 2,611 |