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Intangible Assets and Goodwill | 12 Months Ended
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Mar. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets and Goodwill | Intangible Assets and Goodwill Intangible assets consist of the following (in millions):
|  | March 31, 2022
|  | Gross Amount |  | Accumulated Amortization |  | Net Amount
Core and developed technology |  | $ | 7,390.2 |  |  | $ | (3,571.5) |  |  | $ | 3,818.7 |
Customer-related |  | 200.3 |  |  | (112.4) |  |  | 87.9 |
In-process research and development |  | 6.4 |  |  | — |  |  | 6.4 |
Software licenses |  | 191.2 |  |  | (61.2) |  |  | 130.0 |
Distribution rights and other |  | 0.4 |  |  | (0.3) |  |  | 0.1 |
Total |  | $ | 7,788.5 |  |  | $ | (3,745.4) |  |  | $ | 4,043.1 |
|  | March 31, 2021
|  | Gross Amount |  | Accumulated Amortization |  | Net Amount
Core and developed technology |  | $ | 7,371.3 |  |  | $ | (2,771.0) |  |  | $ | 4,600.3 |
Customer-related |  | 835.2 |  |  | (702.6) |  |  | 132.6 |
In-process research and development |  | 7.7 |  |  | — |  |  | 7.7 |
Software licenses |  | 124.6 |  |  | (70.9) |  |  | 53.7 |
Distribution rights and other |  | 5.6 |  |  | (5.1) |  |  | 0.5 |
Total |  | $ | 8,344.4 |  |  | $ | (3,549.6) |  |  | $ | 4,794.8 |
The following is an expected amortization schedule for the intangible assets for fiscal 2023 through fiscal 2027, absent any future acquisitions or impairment charges (in millions):
Fiscal Year Ending March 31, |  | Amortization Expense
2023 |  | $ | 746.1 |
2024 |  | $ | 667.1 |
2025 |  | $ | 533.1 |
2026 |  | $ | 462.6 |
2027 |  | $ | 377.2 |
The Company amortizes intangible assets over their expected useful lives, which range between 1 and 15 years. Amortization expense attributed to intangible assets are assigned to cost of sales and operating expenses as follows (in millions):
| Fiscal Year Ended March 31, |  |  |  |
| 2022 |  | 2021 |  | 2020 |  |  |  |  |  |  |  |
Amortization expense charged to cost of sales | $ | 12.4 |  |  | $ | 9.4 |  |  | $ | 8.9 |  |  |  |  |  |  |  |  |
Amortization expense charged to operating expense | 922.0 |  |  | 983.3 |  |  | 1,037.8 |  |  |  |  |  |  |  |  |
Total amortization expense | $ | 934.4 |  |  | $ | 992.7 |  |  | $ | 1,046.7 |  |  |  |  |  |  |  |  |
The Company recognized impairment charges of $3.0 million in fiscal 2022 and $2.2 million in fiscal 2020. There were no impairment charges in fiscal 2021. Goodwill activity by segment was as follows (in millions):
| Semiconductor Products Reporting Unit |  | Technology Licensing Reporting Unit
Balance at March 31, 2020 | $ | 6,645.6 |  |  | $ | 19.2 |
Additions | 5.8 |  |  | — |
Balance at March 31, 2021 | $ | 6,651.4 |  |  | $ | 19.2 |
Additions | 3.0 |  |  | — |
Balance at March 31, 2022 | $ | 6,654.4 |  |  | $ | 19.2 |
At March 31, 2022, the Company applied a qualitative goodwill impairment test to its two reporting units, concluding it was not more likely than not that goodwill was impaired. Through March 31, 2022, the Company has never recorded an impairment charge.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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