|
Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical)
|
Jun. 30, 2013
|
Jan. 30, 2013
|
Dec. 31, 2012
|
|---|---|---|---|
| Convertible senior notes interest rate | 3.00% | 3.00% | 3.00% |
| X | ||||||||||
|
- Definition
Interest rate stated in the contractual debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|