XML 34 R24.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Cash and Investments (Tables) | 3 Months Ended
--- | ---
Mar. 26, 2016
Investments Debt And Equity Securities [Abstract] |
Cash, Cash Equivalents and Available-for-Sale Investments | The following tables present cash, cash equivalents, and available-for-sale investments as of the following dates (in thousands):
|  | March 26, 2016 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Estimated Fair Market Value |
Cash |  | $ | 33,145 |  |  | $ | — |  |  | $ | — |  |  | $ | 33,145 |
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  |  | 1,075 |  |  |  | — |  |  |  | — |  |  |  | 1,075 |
Commercial paper and corporate debt securities |  |  | 4,452 |  |  |  | — |  |  |  | — |  |  |  | 4,452 |
Marketable securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  |  | 699 |  |  |  | — |  |  |  | — |  |  |  | 699 |
U.S. Treasury securities |  |  | 6,971 |  |  |  | 2 |  |  |  | — |  |  |  | 6,973 |
U.S. Government agency securities |  |  | 23,231 |  |  |  | 4 |  |  |  | (8 | ) |  |  | 23,227 |
Municipal securities |  |  | 2,634 |  |  |  | — |  |  |  | (3 | ) |  |  | 2,631 |
Corporate debt securities |  |  | 11,147 |  |  |  | 2 |  |  |  | (6 | ) |  |  | 11,143 |
Total cash, cash equivalents, and marketable securities |  | $ | 83,354 |  |  | $ | 8 |  |  | $ | (17 | ) |  | $ | 83,345 |
|  | December 26, 2015 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Estimated Fair Market Value |
Cash |  | $ | 32,996 |  |  | $ | — |  |  | $ | — |  |  | $ | 32,996 |
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  |  | 590 |  |  |  | — |  |  |  | — |  |  |  | 590 |
Commercial paper and corporate debt securities |  |  | 4,568 |  |  |  | — |  |  |  | — |  |  |  | 4,568 |
Marketable securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  |  | 1,884 |  |  |  | — |  |  |  | — |  |  |  | 1,884 |
U.S. Treasury securities |  |  | 4,411 |  |  |  | — |  |  |  | (10 | ) |  |  | 4,401 |
U.S. Government agency securities |  |  | 20,193 |  |  |  | 1 |  |  |  | (29 | ) |  |  | 20,165 |
Municipal securities |  |  | 3,747 |  |  |  | 1 |  |  |  | (3 | ) |  |  | 3,745 |
Corporate debt securities |  |  | 14,759 |  |  |  | — |  |  |  | (23 | ) |  |  | 14,736 |
Total cash, cash equivalents, and marketable securities |  | $ | 83,148 |  |  | $ | 2 |  |  | $ | (65 | ) |  | $ | 83,085 |

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashCashEquivalentsAndShortTermInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration