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Marketable Securities | 3 Months Ended
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Apr. 04, 2015
Cash, Cash Equivalents, and Short-term Investments [Abstract] |
Cash, Cash Equivalents and Short-term Investments | 2 Marketable Securities The Company's marketable securities within cash equivalents and investments included in the consolidated balance sheets are detailed as follows (in thousands):
|  |  | April 4, 2015
|  |  | Amortized |  | Unrealized |  | Unrealized |  | Fair
|  |  | Cost |  | Gain |  | Loss |  | Value
U.S. Treasury securities |  | $ | 640,441 |  | $ | 1,270 |  | $ | (18) |  | $ | 641,693
Foreign government securities |  |  | 24,994 |  |  | - |  |  | - |  |  | 24,994
Corporate debt securities |  |  | 1,066,695 |  |  | 1,171 |  |  | (130) |  |  | 1,067,736
Time deposits |  |  | 64,265 |  |  | - |  |  | - |  |  | 64,265
Equity securities |  |  | 77 |  |  | 70 |  |  | - |  |  | 147
| Total |  | $ | 1,796,472 |  | $ | 2,511 |  | $ | (148) |  | $ | 1,798,835
Amounts included in: |  |  |  |  |  |  |  |  |  |  |  |
| Cash equivalents |  | $ | 130,588 |  | $ | - |  | $ | - |  | $ | 130,588
| Investments |  |  | 1,665,884 |  |  | 2,511 |  |  | (148) |  |  | 1,668,247
| Total |  | $ | 1,796,472 |  | $ | 2,511 |  | $ | (148) |  | $ | 1,798,835
|  |  | December 31, 2014
|  |  | Amortized |  | Unrealized |  | Unrealized |  | Fair
|  |  | Cost |  | Gain |  | Loss |  | Value
U.S. Treasury securities |  | $ | 626,683 |  | $ | 246 |  | $ | (157) |  | $ | 626,772
Foreign government securities |  |  | 24,998 |  |  | - |  |  | - |  |  | 24,998
Corporate debt securities |  |  | 984,668 |  |  | 125 |  |  | (688) |  |  | 984,105
Time deposits |  |  | 64,240 |  |  | - |  |  | - |  |  | 64,240
Equity securities |  |  | 77 |  |  | 70 |  |  | - |  |  | 147
| Total |  | $ | 1,700,666 |  | $ | 441 |  | $ | (845) |  | $ | 1,700,262
Amounts included in: |  |  |  |  |  |  |  |  |  |  |  |
| Cash equivalents |  | $ | 67,051 |  | $ | - |  | $ | - |  | $ | 67,051
| Investments |  |  | 1,633,615 |  |  | 441 |  |  | (845) |  |  | 1,633,211
| Total |  | $ | 1,700,666 |  | $ | 441 |  | $ | (845) |  | $ | 1,700,262
The estimated fair value of marketable debt securities by maturity date is as follows (in thousands):
|  |  | April 4, 2015 |  | December 31, 2014
Due in one year or less |  | $ | 897,303 |  | $ | 872,872
Due after one year through three years |  |  | 837,120 |  |  | 763,003
| Total |  | $ | 1,734,423 |  | $ | 1,635,875

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- Definition The entire disclosure for cash, cash equivalents, investments in debt and equity instruments (including cost and equity investees and related income statement amounts), equity and cost method investments, investments in joint ventures and any other investment. + References No definition available. + Details
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