|
BORROWINGS: (Convertible Debt, US Securitization and Revolving Lines of Credit) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
May 31, 2013
|
Nov. 30, 2012
|
May 31, 2013
Convertible Debt [Member]
|
Nov. 30, 2012
Convertible Debt [Member]
|
May 31, 2008
Convertible Debt [Member]
|
May 31, 2013
Line of Credit, Senior Secured Revolving Facility [Member]
|
Nov. 30, 2012
Line of Credit, Senior Secured Revolving Facility [Member]
|
May 31, 2013
Overnight Federal Funds Rate [Member]
Line of Credit, Senior Secured Revolving Facility [Member]
|
May 31, 2013
LIBOR [Member]
Line of Credit, Senior Secured Revolving Facility [Member]
|
May 31, 2013
Maximum [Member]
|
May 31, 2012
Maximum [Member]
|
May 31, 2013
Maximum [Member]
|
May 31, 2012
Maximum [Member]
|
May 31, 2013
Minimum [Member]
|
May 31, 2012
Minimum [Member]
|
May 31, 2013
Minimum [Member]
|
May 31, 2012
Minimum [Member]
|
May 31, 2013
U.S. Arrangement Securitization Program [Member]
Trade Accounts Receivable [Member]
|
Nov. 30, 2012
U.S. Arrangement Securitization Program [Member]
Trade Accounts Receivable [Member]
|
|
| Line of Credit Facility [Line Items] | |||||||||||||||||||
| Aggregate principal amount of convertible senior notes | $ 143,750 | $ 143,750 | $ 143,750 | ||||||||||||||||
| Convertible Debt- Current | 143,750 | 141,436 | 143,750 | 141,436 | |||||||||||||||
| Amount outstanding under arrangements for sale and financing of accounts receivable | 0 | 0 | |||||||||||||||||
| Maximum pledge amount under accounts receivable securitization program | 400,000 | ||||||||||||||||||
| Current commitment | 100,000 | ||||||||||||||||||
| Accordion feature amount | 50,000 | ||||||||||||||||||
| Maximum commitment | 150,000 | ||||||||||||||||||
| Stated interest rate | 4.00% | ||||||||||||||||||
| Basis spread percentage | 0.30% | 1.50% | |||||||||||||||||
| Line of credit outstanding borrowings | $ 0 | $ 0 | |||||||||||||||||
| Debt, Variable Interest Percentage, Percentage Rate | 3.43% | 4.24% | 3.53% | 4.24% | 0.67% | 0.87% | 0.67% | 0.87% | |||||||||||