Net amounts excluding fully amortized intangible assets, consist of the following (in millions):


	December 31, 2025
	Gross Amount		Accumulated Amortization		Net Amount
Core and developed technology	$	7,206.7	$	(5,278.1)	$	1,928.6
Customer-related	202.5		(162.2)		40.3


In-process research and development	7.1		—		7.1
Software licenses	285.9		(162.8)		123.1

Total	$	7,702.2	$	(5,603.1)	$	2,099.1


	March 31, 2025
	Gross Amount		Accumulated Amortization		Net Amount
Core and developed technology	$	7,149.9	$	(4,981.6)	$	2,168.3
Customer-related	199.5		(152.8)		46.7


In-process research and development	50.8		—		50.8
Software licenses	259.3		(136.1)		123.2

Total	$	7,659.5	$	(5,270.5)	$	2,389.0

The following is an expected amortization schedule for the intangible assets for the remainder of fiscal 2026 through fiscal 2030, absent any future acquisitions or impairment charges (in millions):


Fiscal Year Ending March 31,	Amortization Expense
2026	$	134.8
2027	$	451.5
2028	$	344.7
2029	$	269.8
2030	$	257.8

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 December 31,	Nine Months Ended December 31,
		2025		2024		2025		2024
Amortization expense charged to cost of sales		$	5.3	$	6.1	$	15.5	$	13.7
Amortization expense charged to operating expense		128.7		140.3		383.8		424.8
Total amortization expense		$	134.0	$	146.4	$	399.3	$	438.5

The Company recognized no impairment charges in the three months ended December 31, 2025 and impairment charges of $2.5 million in the nine months ended December 31, 2025. There were no impairment charges in the three and nine months ended December 31, 2024.

Goodwill activity by segment was as follows (in millions):


	Semiconductor Products Reporting Unit		Technology Licensing Reporting Unit


Balance at March 31, 2025	$	6,665.6	$	19.2
Additions due to acquisition	10.7		—
Balance at December 31, 2025	$	6,676.3	$	19.2

At March 31, 2025, the Company applied a qualitative goodwill impairment test to its two reporting units, and concluded that goodwill was not impaired. Through December 31, 2025, the Company has never recorded a goodwill impairment charge.