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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Jun. 30, 2018
Goodwill And Intangible Assets Disclosure [Abstract] |
Changes in Carrying Amount of Goodwill | The following summarizes changes to the goodwill balance for the years ended June 30, 2018 and 2017:
|  | Years Ended June 30, |
|  |  | 2018 |  |  |  | 2017 |
Beginning balance |  | $ | 316.1 |  |  | $ | 195.3 |
Acquisitions (see note 3) |  |  | - |  |  |  | 116.3 |
Adjustments to acquisitions (see note 3) |  |  | 1.9 |  |  |  | 3.6 |
Translation adjustments |  |  | 0.6 |  |  |  | 0.9 |
Ending balance |  | $ | 318.6 |  |  | $ | 316.1 |
Summarized Amounts Reported as Intangible Assets | The following summarizes the amounts reported as intangible assets:
|  | Gross |  |  |  |  |  |  |  |  |
|  | Carrying |  |  | Accumulated |  |  |  |  |
At June 30, 2018: |  | Amount |  |  | Amortization |  |  | Net |
Purchased licenses and technologies |  | $ | 526.4 |  |  | $ | (98.0 | ) |  | $ | 428.4 |
Customer relationships |  |  | 4.6 |  |  |  | (3.3 | ) |  |  | 1.3 |
Trademarks |  |  | 3.0 |  |  |  | (1.0 | ) |  |  | 2.0 |
Total amortizable intangible assets |  |  | 534.0 |  |  |  | (102.3 | ) |  |  | 431.7 |
In-process research and development |  |  | 23.5 |  |  |  | — |  |  |  | 23.5 |
Total unamortized intangible assets |  |  | 23.5 |  |  |  | — |  |  |  | 23.5 |
Total intangible assets |  | $ | 557.5 |  |  | $ | (102.3 | ) |  | $ | 455.2 |
|  | Gross |  |  |  |  |  |  |  |  |
|  | Carrying |  |  | Accumulated |  |  |  |  |
At June 30, 2017: |  | Amount |  |  | Amortization |  |  | Net |
Purchased licenses and technologies |  | $ | 525.7 |  |  | $ | (61.3 | ) |  | $ | 464.4 |
Customer relationships |  |  | 4.6 |  |  |  | (2.8 | ) |  |  | 1.8 |
Trademarks |  |  | 3.0 |  |  |  | (0.8 | ) |  |  | 2.2 |
Total amortizable intangible assets |  |  | 533.3 |  |  |  | (64.9 | ) |  |  | 468.4 |
In-process research and development |  |  | 23.1 |  |  |  | — |  |  |  | 23.1 |
Total unamortized intangible assets |  |  | 23.1 |  |  |  | — |  |  |  | 23.1 |
Total intangible assets |  | $ | 556.4 |  |  | $ | (64.9 | ) |  | $ | 491.5 |
Amortization for Intangible Assets | The Company recorded amortization during the respective periods for these intangible assets as follows:
|  | Years Ended June 30, |
|  |  | 2018 |  |  |  | 2017 |  |  |  | 2016 |
Amortization of intangible assets |  | $ | 37.3 |  |  | $ | 33.3 |  |  | $ | 12.7 |

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