| Summary Of Assets And Liabilities Recorded At Fair Value |
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September 30, 2011 |
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December 31, 2010 |
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Level 1 |
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Level 2 |
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Level 3 |
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Total |
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Level 1 |
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Level 2 |
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Level 3 |
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Total |
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Assets: |
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Debt securities: |
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U.S. treasury securities |
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$ |
1,155,328 |
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$ |
— |
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$ |
— |
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$ |
1,155,328 |
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$ |
1,355,437 |
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$ |
— |
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$ |
— |
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$ |
1,355,437 |
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Money market funds |
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372,260 |
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— |
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— |
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372,260 |
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520,063 |
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— |
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— |
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520,063 |
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U.S. government agencies and FDIC guaranteed securities |
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— |
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1,090,587 |
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— |
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1,090,587 |
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— |
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1,296,110 |
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— |
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1,296,110 |
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Municipal debt securities |
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— |
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24,591 |
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— |
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24,591 |
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— |
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17,625 |
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— |
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17,625 |
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Non-U.S. government securities |
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— |
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211,764 |
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25,314 |
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237,078 |
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— |
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278,610 |
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9,594 |
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288,204 |
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Corporate debt securities |
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— |
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1,703,869 |
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— |
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1,703,869 |
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— |
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1,119,254 |
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— |
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1,119,254 |
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Residential mortgage and asset-backed securities |
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— |
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316,526 |
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— |
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316,526 |
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— |
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277,043 |
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— |
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277,043 |
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Student loan-backed securities |
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— |
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— |
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56,507 |
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56,507 |
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— |
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— |
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70,771 |
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70,771 |
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Total debt securities |
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1,527,588 |
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3,347,337 |
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81,821 |
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4,956,746 |
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1,875,500 |
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2,988,642 |
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80,365 |
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4,944,507 |
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Equity securities |
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5,267 |
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— |
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— |
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5,267 |
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4,631 |
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— |
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— |
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4,631 |
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Derivatives |
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— |
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46,229 |
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— |
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46,229 |
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— |
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64,461 |
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— |
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64,461 |
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$ |
1,532,855 |
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$ |
3,393,566 |
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$ |
81,821 |
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$ |
5,008,242 |
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$ |
1,880,131 |
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$ |
3,053,103 |
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$ |
80,365 |
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$ |
5,013,599 |
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Liabilities: |
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Contingent consideration |
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$ |
— |
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$ |
— |
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$ |
128,305 |
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$ |
128,305 |
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$ |
— |
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$ |
— |
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$ |
11,100 |
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$ |
11,100 |
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Derivatives |
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— |
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39,119 |
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— |
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39,119 |
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— |
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38,553 |
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— |
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38,553 |
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$ |
— |
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$ |
39,119 |
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$ |
128,305 |
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$ |
167,424 |
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$ |
— |
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$ |
38,553 |
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$ |
11,100 |
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$ |
49,653 |
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| Reconciliation Of Marketable Securities Measured At Fair Value Using Significant Unobservable Inputs (Level 3) |
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Three Months Ended September 30, |
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Nine Months Ended September 30, |
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2011 |
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2010 |
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2011 |
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2010 |
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Balance, beginning of period |
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$ |
104,145 |
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$ |
94,062 |
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$ |
80,365 |
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$ |
105,662 |
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Total realized and unrealized gains (losses) included in: |
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Interest and other income, net |
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1,707 |
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— |
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4,578 |
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115 |
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Other comprehensive income, net |
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(22,681 |
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2,299 |
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(28,375 |
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4,066 |
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Sales of marketable securities |
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(1,350 |
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(8,050 |
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(28,630 |
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(21,532 |
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Transfers into Level 3 |
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— |
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— |
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53,883 |
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— |
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Balance, end of period |
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$ |
81,821 |
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$ |
88,311 |
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$ |
81,821 |
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$ |
88,311 |
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Total losses included in interest and other income, net attributable to the change in unrealized losses relating to assets still held at the reporting date |
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$ |
— |
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$ |
— |
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$ |
— |
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$ |
— |
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