DERIVATIVE INSTRUMENTS: (Details) - USD ($)
|
3 Months Ended |
6 Months Ended |
|
May. 31, 2015 |
May. 31, 2014 |
May. 31, 2015 |
May. 31, 2014 |
Nov. 30, 2014 |
| Derivative, Fair Value, Net [Abstract] |
|
|
|
|
|
| Decrease in derivative asset and liability, offsetting |
$ 333,000
|
|
$ 333,000
|
|
$ 145,000
|
| Maximum [Member] |
|
|
|
|
|
| Derivative, Fair Value, Net [Abstract] |
|
|
|
|
|
| Foreign exchange forward contracts, maturity |
|
|
6 months
|
|
|
| Foreign Exchange Forward Contracts [Member] |
|
|
|
|
|
| Derivative, Fair Value, Net [Abstract] |
|
|
|
|
|
| Derivative, notional amount |
198,660,000
|
|
$ 198,660,000
|
|
316,365,000
|
| Foreign Exchange Forward Contracts [Member] | Other Income (Expense), net [Member] |
|
|
|
|
|
| Derivative, Fair Value, Net [Abstract] |
|
|
|
|
|
| Derivative instruments not designated as hedging instruments, gain (losses), net |
154,000
|
$ (2,807,000)
|
11,734,000
|
$ 1,162,000
|
|
| Interest Rate Swap [Member] |
|
|
|
|
|
| Derivative, Fair Value, Net [Abstract] |
|
|
|
|
|
| Derivative, notional amount |
400,000,000
|
|
400,000,000
|
|
|
| Derivative instrument, hedging ineffectiveness |
0
|
|
|
|
|
| Derivative instruments, gain (loss) reclassified into earnings |
0
|
|
0
|
|
|
| Derivative instrument, gain (loss) to be reclassified to earnings within 12 months |
|
|
0
|
|
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward Contracts [Member] | Other Current Assets [Member] |
|
|
|
|
|
| Derivative, Fair Value, Net [Abstract] |
|
|
|
|
|
| Foreign currency forward contract asset at fair value |
2,057,000
|
|
2,057,000
|
|
4,532,000
|
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward Contracts [Member] | Accrued Liabilities [Member] |
|
|
|
|
|
| Derivative, Fair Value, Net [Abstract] |
|
|
|
|
|
| Foreign currency forward contract liability at fair value |
202,000
|
|
202,000
|
|
145,000
|
| Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] |
|
|
|
|
|
| Derivative, Fair Value, Net [Abstract] |
|
|
|
|
|
| Derivative Instruments, loss recognized in Other Comprehensive Income |
1,887,000
|
|
1,887,000
|
|
|
| Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] | Accrued Liabilities [Member] |
|
|
|
|
|
| Derivative, Fair Value, Net [Abstract] |
|
|
|
|
|
| Cash flow hedge derivative instrument liabilities at fair value |
264,000
|
|
264,000
|
|
0
|
| Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] | Long-term Liabilities [Member] |
|
|
|
|
|
| Derivative, Fair Value, Net [Abstract] |
|
|
|
|
|
| Cash flow hedge derivative instrument liabilities at fair value |
$ 1,623,000
|
|
$ 1,623,000
|
|
$ 0
|