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Marketable Securities | 9 Months Ended
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Jun. 28, 2014
Investments, Debt and Equity Securities [Abstract] |
Marketable Securities | Marketable Securities The following reconciles the cost basis to the fair market value of the Company’s equity security that is classified as available-for-sale:
Period Ended: | Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
June 28, 2014 | $ | 5.9 |  |  | $ | 14.1 |  |  | $ | — |  |  | $ | 20.0 |
September 28, 2013 | $ | 5.9 |  |  | $ | 12.2 |  |  | $ | — |  |  | $ | 18.1 |

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