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Goodwill and Intangible Assets (Tables) | 3 Months Ended
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Sep. 30, 2018
Goodwill And Intangible Assets Disclosure [Abstract] |
Changes in Carrying Amount of Goodwill | The following summarizes changes to the goodwill balance for the three months ended September 30, 2018
|  | Carrying amount |
Beginning balance July 1, 2018 |  | $ | 318.6 |
Acquisitions |  |  | 94.9 |
Translation adjustments |  |  | (0.2 | )
Ending balance September 30, 2018 |  | $ | 413.3 |
Summarized Amounts Reported as Intangible Assets | The following summarizes the amounts reported as intangible assets
|  | Gross |  |  |  |  |  |  |  |  |
|  | Carrying |  |  | Accumulated |  |  |  |  |
|  | Amount |  |  | Amortization |  |  | Net |
At September 30, 2018: |  |  |  |  |  |  |  |  |  |  |  |
Purchased licenses and technologies |  | $ | 819.1 |  |  | $ | (111.4 | ) |  | $ | 707.7 |
Customer relationships |  |  | 4.6 |  |  |  | (3.4 | ) |  |  | 1.2 |
Trademarks |  |  | 3.0 |  |  |  | (1.0 | ) |  |  | 2.0 |
Total amortized intangible assets |  |  | 826.7 |  |  |  | (115.8 | ) |  |  | 710.9 |
In-process research and development |  |  | 23.3 |  |  |  | — |  |  |  | 23.3 |
Total unamortized intangible assets |  |  | 23.3 |  |  |  | — |  |  |  | 23.3 |
Total intangible assets |  | $ | 850.0 |  |  | $ | (115.8 | ) |  | $ | 734.2 |
|  | Gross |  |  |  |  |  |  |  |  |
|  | Carrying |  |  | Accumulated |  |  |  |  |
|  | Amount |  |  | Amortization |  |  | Net |
At June 30, 2018: |  |  |  |  |  |  |  |  |  |  |  |
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 amortized 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 |
Amortization for Intangible Assets | The Company recorded amortization expense during the respective periods for these intangible assets as follows:
|  | Three months ended |
|  | September 30, |
|  | 2018 |  |  | 2017 |
Amortization of intangible assets |  | $ | 13.4 |  |  | $ | 9.3 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 + Details
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