|
FINANCIAL MEASUREMENTS AND FINANCIAL INSTRUMENTS (Details 3) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] | ||
| Current maturities of long-term debt | $ (15,844) | |
| Long-term debt, net of current maturities | 1,080,000 | 580,000 |
|
Carrying Value
|
||
| Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] | ||
| Current maturities of long-term debt | 0 | (15,844) |
| Long-term debt, net of current maturities | 1,080,000 | 580,000 |
|
Fair Value
|
||
| Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] | ||
| Current maturities of long-term debt | 0 | (15,875) |
| Long-term debt, net of current maturities | $ (1,058,396) | $ (581,994) |