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Balance Sheet Details (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule Of Balance Sheet Details |
|  | December 31, |
|  | 2012 |  |  | 2011 |
Prepaid expenses and other current assets |  |  |  |  |  |  |  |
Prepaid expenses |  | $ | 27,647 |  |  | $ | 22,566 |
Other current assets |  |  | 8,701 |  |  |  | 7,882 |
Income tax receivable |  |  | 14,003 |  |  |  | 10,081 |
|  | $ | 50,351 |  |  | $ | 40,529 |
Accounts payable, accrued expenses and other |  |  |  |  |  |  |  |
Accounts payable |  | $ | 10,139 |  |  | $ | 14,327 |
Accrued expenses |  |  | 44,424 |  |  |  | 41,474 |
Accrued contingent consideration |  |  | 8,201 |  |  |  | 21,578 |
Accrued interest payable |  |  | 9,048 |  |  |  | 14,369 |
Accrued taxes payable |  |  | 11,114 |  |  |  | 14,950 |
Other current liabilities |  |  | 15,183 |  |  |  | 26,075 |
|  | $ | 98,109 |  |  | $ | 132,773 |

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- Definition Tabular disclosure of other assets and other liabilities not separately disclosed on the balance sheet. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration