Financial assets and liabilities measured at fair value on a recurring basis are summarized below (in millions): | | | | | | | | | | | | | | | | | | Level 1 | | Level 2 | | Level 3 | | Total | March 30, 2019: (1) | | | | | | | | Assets: | | | | | | |
| Cash equivalents: |
| |
| |
| |
| Commercial paper | $ | — |
| | $ | 26.0 |
| | $ | — |
| | $ | 26.0 |
| Money market funds | 10.3 |
| | — |
| | — |
| | 10.3 |
| U.S. Treasury securities | 23.5 |
| | — |
| | — |
| | 23.5 |
| Short-term investments: |
| |
| |
| |
| Commercial paper | — |
| | 19.3 |
| | — |
| | 19.3 |
| Asset-backed securities | — |
| | 70.7 |
| | — |
| | 70.7 |
| Corporate debt securities | — |
| | 212.3 |
| | — |
| | 212.3 |
| Municipal bonds | — |
| | 1.3 |
| | — |
| | 1.3 |
| Mortgage-backed securities | — |
| | 4.7 |
| | — |
| | 4.7 |
| Foreign government bonds | — |
| | 5.5 |
| | — |
| | 5.5 |
| U.S. Treasury securities | 26.4 |
| | — |
| | — |
| | 26.4 |
| Total assets | $ | 60.2 |
| | $ | 339.8 |
| | $ | — |
| | $ | 400.0 |
| Other current liabilities: | | | | | | | | Acquisition contingencies | $ | — |
| | $ | — |
| | $ | 2.7 |
| | $ | 2.7 |
| Total other accrued liabilities | $ | — |
| | $ | — |
| | $ | 2.7 |
| | $ | 2.7 |
|
(1) Excludes $298.5 million in cash held in our bank accounts at March 30, 2019. Based on quoted market prices as of March 30, 2019, the fair value of the Convertible Notes (Note 13) was approximately $529.8 million, determined using Level 2 inputs as they are not actively traded in markets.
| | | | | | | | | | | | | | | | | | Level 1 | | Level 2 | | Level 3 | | Total | June 30, 2018: (1) | | | | | | | | Assets: | | | | | | | | Cash equivalents: | | | | | | | | Certificates of deposit | $ | — |
| | $ | 3.0 |
| | $ | — |
| | $ | 3.0 |
| Commercial paper | — |
| | 112.1 |
| | — |
| | 112.1 |
| Money market funds | 0.8 |
| | — |
| | — |
| | 0.8 |
| U.S. Treasury securities | 143.6 |
| | — |
| | — |
| | 143.6 |
| U.S. Agency securities | — |
| | 34.2 |
| | — |
| | 34.2 |
| Short-term investments: | | | | | | | | Certificates of deposit | — |
| | 7.5 |
| | — |
| | 7.5 |
| Commercial paper | — |
| | 10.5 |
| | — |
| | 10.5 |
| Asset-backed securities | — |
| | 67.8 |
| | — |
| | 67.8 |
| Corporate debt securities | — |
| | 219.2 |
| | — |
| | 219.2 |
| Municipal bonds | — |
| | 1.6 |
| | — |
| | 1.6 |
| Mortgage-backed securities | — |
| | 4.2 |
| | — |
| | 4.2 |
| Foreign government bonds | — |
| | 3.4 |
| | — |
| | 3.4 |
| Total assets | $ | 144.4 |
| | $ | 463.5 |
| | $ | — |
| | $ | 607.9 |
| Other accrued liabilities: | | | | | | | | Derivative liability | $ | — |
| | $ | — |
| | $ | 52.4 |
| | $ | 52.4 |
| Acquisition contingencies | — |
| | — |
| | 2.7 |
| | 2.7 |
| Total other accrued liabilities | $ | — |
| | $ | — |
| | $ | 55.1 |
| | $ | 55.1 |
|
(1) Excludes $103.6 million in cash held in our bank accounts at June 30, 2018.
|