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Venture Capital Investments and Marketable Securities | 6 Months Ended
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Jun. 25, 2016
Marketable Securities and Equity-Method Affiliates [Abstract] |
VENTURE CAPITAL INVESTMENTS AND MARKETABLE SECURITIES | VENTURE CAPITAL INVESTMENTS AND MARKETABLE SECURITIES Venture Capital Investments The Company invests in several venture capital funds that invest in start-up companies, primarily in the life sciences industry. The Company’s ownership interest in these funds ranges from 2.7% to 12.0%. The Company accounts for the investments in limited liability partnerships (LLP), which are variable interest entities, under the equity or cost method of accounting. The Company is not the primary beneficiary because it has no power to direct the activities that most significantly affect the LLP’s economic performance. The Company accounts for the investments in limited liability companies, which are not variable interest entities, under the equity method of accounting. The Company’s total commitments to the entities as of June 25, 2016 were $80.6 million, of which the Company funded $34.0 million through June 25, 2016. During the three and six months ended June 25, 2016, the Company received no dividends from the entities. During the three and six months ended June 27, 2015, the Company received dividends totaling $2.1 million. The Company recognized a gain of $5.0 million and a loss of $0.9 million related to these investments for the three months ended June 25, 2016 and June 27, 2015, respectively. Marketable Securities The following is a summary of the Company's marketable securities, all of which are classified as available-for-sale:
| June 25, 2016
| Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
| (in thousands)
Mutual fund | $ | 4,650 |  |  | $ | — |  |  | $ | (23 | ) |  | $ | 4,627 |
Total | $ | 4,650 |  |  | $ | — |  |  | $ | (23 | ) |  | $ | 4,627 |
| December 26, 2015
| Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
| (in thousands)
Mutual fund | $ | 4,650 |  |  | $ | — |  |  | $ | (141 | ) |  | $ | 4,509 |
Total | $ | 4,650 |  |  | $ | — |  |  | $ | (141 | ) |  | $ | 4,509 |
There were no sales of available-for-sale securities during the six months ended June 25, 2016 or June 27, 2015.

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