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Intangible Assets and Goodwill
 3 Months Ended
Jun. 30, 2026
Intangible Asset, Goodwill and Other [Abstract]  
Intangible Assets and Goodwill Intangible Assets and Goodwill
Net amounts excluding fully amortized intangible assets, consist of the following (in millions):
June 30, 2026
Gross AmountAccumulated AmortizationNet Amount
Core and developed technology$7,060.9 $(5,301.6)$1,759.3 
Customer-related202.5 (168.5)34.0 
In-process research and development7.0 — 7.0 
Software licenses302.5 (101.4)201.1 
Total$7,572.9 $(5,571.5)$2,001.4 

March 31, 2026
Gross AmountAccumulated AmortizationNet Amount
Core and developed technology$7,039.6 $(5,212.9)$1,826.7 
Customer-related202.5 (165.3)37.2 
In-process research and development7.0 — 7.0 
Software licenses285.9 (123.4)162.5 
Total$7,535.0 $(5,501.6)$2,033.4 

The following is an expected amortization schedule for the intangible assets for the remainder of fiscal 2027 through fiscal 2031, absent any future acquisitions or impairment charges (in millions):
Fiscal Year Ending March 31,Amortization Expense
2027$358.0 
2028$365.6 
2029$294.0 
2030$264.4 
2031$236.6 

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):
Three Months Ended June 30,
20262025
Amortization expense charged to cost of sales$5.1 $5.2 
Amortization expense charged to operating expense113.8 126.4 
Total amortization expense$118.9 $131.6 
The Company recognized impairment charges of $0.1 million in the three months ended June 30, 2026 and $2.2 million in three months ended June 30, 2025.

The following shows the goodwill balance as of June 30, 2026 and March 31, 2026 by segment (in millions):
Semiconductor Products Reporting UnitTechnology Licensing Reporting Unit
Goodwill$6,676.3 $19.2 

At March 31, 2026, the Company applied a qualitative goodwill impairment test to its two reporting units, and concluded that goodwill was not impaired. Through June 30, 2026, the Company has never recorded a goodwill impairment charge.