| Goodwill and Acquired Intangibles, Net Goodwill The following table represents the change in our goodwill balance for the periods presented: | | | | | | | | | | | | | December | | June | | 2025 | | 2025 | | Beginning balance | $ | 872.3 | | | $ | 816.4 | | | Acquisition activity | — | | | 55.9 | | | Ending balance | $ | 872.3 | | | $ | 872.3 | |
Acquired Intangibles, Net The following table summarizes the net carrying amounts, excluding fully amortized intangible assets: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 2025 | | June 2025 | | Weighted Average
Life in Years | | Gross Carrying
Value | | Accumulated
Amortization | | Net Carrying
Value | | Gross Carrying
Value | | Accumulated
Amortization | | Net Carrying
Value | | Audio and video technology | 5.6 | | $ | 231.9 | | | $ | (208.8) | | | $ | 23.1 | | | $ | 231.9 | | | $ | (198.4) | | | $ | 33.5 | | | Customer relationships | 4.7 | | 187.1 | | | (159.2) | | | 27.9 | | | 187.1 | | | (150.7) | | | 36.4 | | | Wireless connectivity technology | 4.6 | | 314.4 | | | (169.7) | | | 144.7 | | | 271.9 | | | (139.6) | | | 132.3 | | | Video interface technology | 3.4 | | 133.0 | | | (104.3) | | | 28.7 | | | 133.0 | | | (97.9) | | | 35.1 | | | Other | 2.4 | | 41.9 | | | (37.6) | | | 4.3 | | | 52.1 | | | (34.0) | | | 18.1 | | | In-process research and development | Not applicable | | 6.8 | | | — | | | 6.8 | | | 6.8 | | | — | | | 6.8 | | | Total intangible assets | | | $ | 915.1 | | | $ | (679.6) | | | $ | 235.5 | | | $ | 882.8 | | | $ | (620.6) | | | $ | 262.2 | |
The following table presents details of amortization for the periods presented: | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended | | Six Months Ended | | December | | December | | 2025 | | 2024 | | 2025 | | 2024 | | Cost of revenue | $ | 30.2 | | | $ | 20.8 | | | $ | 60.7 | | | $ | 41.6 | | | Acquired intangibles amortization | 3.8 | | | 3.8 | | | 8.5 | | | 7.6 | | | Total amortization of intangibles | $ | 34.0 | | | $ | 24.6 | | | $ | 69.2 | | | $ | 49.2 | |
The following table presents the estimated future amortization expense of acquired amortizable intangible assets as of December 2025: | | | | | | | | | | Fiscal Year | | | | Remainder of 2026 | | $ | 49.7 | | | 2027 | | 69.3 | | | 2028 | | 49.6 | | | 2029 | | 26.5 | | | 2030 | | 16.9 | | | Thereafter | | 23.5 | | | Future amortization | | $ | 235.5 | |
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