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Investments and Fair Value Measurements (Details 4) - USD ($) $ in Millions | Oct. 01, 2016 | Jul. 02, 2016
--- | --- | ---
Cash and cash equivalents |  |
Assets: |  |
Total assets |  | $ 295.4
Short-term investments |  |
Assets: |  |
Total assets |  | 484.7
Restricted cash |  |
Assets: |  |
Total assets |  | 11.3
Other non-current assets |  |
Assets: |  |
Total assets |  | 4.5
Other current liabilities |  |
Liability: |  |
Total liabilities | $ 1.5 |
Recurring basis | Cash and cash equivalents |  |
Assets: |  |
Total assets | 287.5 |
Recurring basis | Short-term investments |  |
Assets: |  |
Total assets | 558.8 |
Recurring basis | Restricted cash |  |
Assets: |  |
Total assets | 10.9 |
Recurring basis | Other non-current assets |  |
Assets: |  |
Total assets | 4.9 |
Recurring basis | Prepayments and other current assets |  |
Assets: |  |
Total assets | 1.8 |
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Assets: |  |
Total debt available-for-sale securities | 54.1 | 46.1
Marketable equity securities | 141.1 | 171.3
Money market funds | 278.7 | 274.4
Trading securities | 2.5 | 2.4
Foreign currency forward contracts | 0.0 | 0.0
Total assets | 476.4 | 494.2
Liability: |  |
Foreign currency forward contracts | 0.0 | 0.0
Total liabilities | 0.0 | 0.0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. treasuries |  |
Assets: |  |
Total debt available-for-sale securities | 54.1 | 46.1
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. agencies |  |
Assets: |  |
Total debt available-for-sale securities | 0.0 | 0.0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Municipal bonds and sovereign debt instruments |  |
Assets: |  |
Total debt available-for-sale securities | 0.0 | 0.0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Asset-backed securities |  |
Assets: |  |
Total debt available-for-sale securities | 0.0 | 0.0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate securities |  |
Assets: |  |
Total debt available-for-sale securities | 0.0 | 0.0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Certificates of deposits |  |
Assets: |  |
Total debt available-for-sale securities | 0.0 | 0.0
Recurring basis | Significant Other Observable Inputs (Level 2) |  |
Assets: |  |
Total debt available-for-sale securities | 385.7 | 301.7
Marketable equity securities | 0.0 | 0.0
Money market funds | 0.0 | 0.0
Trading securities | 0.0 | 0.0
Foreign currency forward contracts | 1.8 | 0.0
Total assets | 387.5 | 301.7
Liability: |  |
Foreign currency forward contracts | 1.5 | 0.0
Total liabilities | 1.5 | 0.0
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. treasuries |  |
Assets: |  |
Total debt available-for-sale securities | 0.0 | 0.0
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. agencies |  |
Assets: |  |
Total debt available-for-sale securities | 37.6 | 24.9
Recurring basis | Significant Other Observable Inputs (Level 2) | Municipal bonds and sovereign debt instruments |  |
Assets: |  |
Total debt available-for-sale securities | 4.8 | 2.0
Recurring basis | Significant Other Observable Inputs (Level 2) | Asset-backed securities |  |
Assets: |  |
Total debt available-for-sale securities | 60.9 | 50.2
Recurring basis | Significant Other Observable Inputs (Level 2) | Corporate securities |  |
Assets: |  |
Total debt available-for-sale securities | 276.3 | 224.6
Recurring basis | Significant Other Observable Inputs (Level 2) | Certificates of deposits |  |
Assets: |  |
Total debt available-for-sale securities | 6.1 | 0.0
Recurring basis | Total fair value |  |
Assets: |  |
Total debt available-for-sale securities | 439.8 | 347.8
Marketable equity securities | 141.1 | 171.3
Money market funds | 278.7 | 274.4
Trading securities | 2.5 | 2.4
Foreign currency forward contracts | 1.8 | 0.0
Total assets | 863.9 | 795.9
Liability: |  |
Foreign currency forward contracts | 1.5 | 0.0
Total liabilities | 1.5 | 0.0
Recurring basis | Total fair value | U.S. treasuries |  |
Assets: |  |
Total debt available-for-sale securities | 54.1 | 46.1
Recurring basis | Total fair value | U.S. agencies |  |
Assets: |  |
Total debt available-for-sale securities | 37.6 | 24.9
Recurring basis | Total fair value | Municipal bonds and sovereign debt instruments |  |
Assets: |  |
Total debt available-for-sale securities | 4.8 | 2.0
Recurring basis | Total fair value | Asset-backed securities |  |
Assets: |  |
Total debt available-for-sale securities | 60.9 | 50.2
Recurring basis | Total fair value | Corporate securities |  |
Assets: |  |
Total debt available-for-sale securities | 276.3 | 224.6
Recurring basis | Total fair value | Certificates of deposits |  |
Assets: |  |
Total debt available-for-sale securities | $ 6.1 | $ 0.0

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