Cash Cash Equivalents and Short term Investments |
Cash, cash equivalents and short-term investments consisted of the following as of August 28, 2015 (in thousands): | | | | | | | | | | | | | | | | | | Amortized Cost | | Unrealized Gains | | Unrealized Losses | | Estimated Fair Value | Current assets: | | | | | | | | Cash | $ | 345,625 |
| | $ | — |
| | $ | — |
| | $ | 345,625 |
| Cash equivalents: | | | | | | | | Money market mutual funds | 447,303 |
| | — |
| | — |
| | 447,303 |
| Time deposits | 36,364 |
| | — |
| | — |
| | 36,364 |
| Total cash equivalents | 483,667 |
| | — |
| | — |
| | 483,667 |
| Total cash and cash equivalents | 829,292 |
| | — |
| | — |
| | 829,292 |
| Short-term fixed income securities: | | | | | | | | Corporate bonds and commercial paper | 1,732,496 |
| | 1,596 |
| | (4,891 | ) | | 1,729,201 |
| Asset-backed securities | 67,307 |
| | 40 |
| | (32 | ) | | 67,315 |
| Municipal securities | 164,449 |
| | 221 |
| | (60 | ) | | 164,610 |
| U.S. agency securities | 207,550 |
| | 182 |
| | (3 | ) | | 207,729 |
| U.S. Treasury securities | 670,367 |
| | 363 |
| | (144 | ) | | 670,586 |
| Total short-term investments | 2,842,169 |
| | 2,402 |
| | (5,130 | ) | | 2,839,441 |
| Total cash, cash equivalents and short-term investments | $ | 3,671,461 |
| | $ | 2,402 |
| | $ | (5,130 | ) | | $ | 3,668,733 |
|
Cash, cash equivalents and short-term investments consisted of the following as of November 28, 2014 (in thousands): | | | | | | | | | | | | | | | | | | Amortized Cost | | Unrealized Gains | | Unrealized Losses | | Estimated Fair Value | Current assets: | | | | | | | | Cash | $ | 348,283 |
| | $ | — |
| | $ | — |
| | $ | 348,283 |
| Cash equivalents: | |
| | | | | | |
| Money market mutual funds | 705,978 |
| | — |
| | — |
| | 705,978 |
| Time deposits | 63,139 |
| | — |
| | — |
| | 63,139 |
| Total cash equivalents | 769,117 |
| | — |
| | — |
| | 769,117 |
| Total cash and cash equivalents | 1,117,400 |
| | — |
| | — |
| | 1,117,400 |
| Short-term fixed income securities: | | | | | | | |
| Corporate bonds and commercial paper | 1,514,632 |
| | 5,253 |
| | (509 | ) | | 1,519,376 |
| Foreign government securities | 4,499 |
| | 12 |
| | — |
| | 4,511 |
| Municipal securities | 174,775 |
| | 438 |
| | (12 | ) | | 175,201 |
| U.S. agency securities | 497,154 |
| | 1,295 |
| | (64 | ) | | 498,385 |
| U.S. Treasury securities | 423,075 |
| | 1,080 |
| | (28 | ) | | 424,127 |
| Subtotal | 2,614,135 |
| | 8,078 |
| | (613 | ) | | 2,621,600 |
| Marketable equity securities | 153 |
| | 338 |
| | — |
| | 491 |
| Total short-term investments | 2,614,288 |
| | 8,416 |
| | (613 | ) | | 2,622,091 |
| Total cash, cash equivalents and short-term investments | $ | 3,731,688 |
| | $ | 8,416 |
| | $ | (613 | ) | | $ | 3,739,491 |
|
|
Continuous Unrealized Loss Position Less Than Twelve Months Related to Available-for-Sale Securities |
The following table summarizes the fair value and gross unrealized losses related to available-for-sale securities, aggregated by investment category, that have been in an unrealized loss position for less than twelve months, as of August 28, 2015 and November 28, 2014 (in thousands): | | | | | | | | | | | | | | | | | | 2015 | | 2014 | | Fair Value | | Gross Unrealized Losses | | Fair Value | | Gross Unrealized Losses | Corporate bonds and commercial paper | $ | 1,213,183 |
| | $ | (4,871 | ) | | $ | 291,890 |
| | $ | (443 | ) | Asset-backed securities | 35,502 |
| | (32 | ) | | — |
| | — |
| Municipal securities | 24,143 |
| | (60 | ) | | 21,759 |
| | (12 | ) | U.S. Treasury and agency securities | 345,982 |
| | (144 | ) | | 43,507 |
| | (64 | ) | Total | $ | 1,618,810 |
| | $ | (5,107 | ) | | $ | 357,156 |
| | $ | (519 | ) |
|
Cost and Estimated Fair Value of Debt Securities |
The following table summarizes the cost and estimated fair value of short-term fixed income securities classified as short-term investments based on stated effective maturities as of August 28, 2015 (in thousands): | | | | | | | | | | Amortized Cost | | Estimated Fair Value | Due within one year | $ | 791,191 |
| | $ | 791,528 |
| Due between one and two years | 1,036,774 |
| | 1,036,349 |
| Due between two and three years | 761,569 |
| | 759,576 |
| Due after three years | 252,635 |
| | 251,988 |
| Total | $ | 2,842,169 |
| | $ | 2,839,441 |
|
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