Goodwill and Intangible Assets

9 Months Ended

Jun. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The following table outlines changes to the carrying amount of goodwill (in thousands):


	Goodwill
Balance at September 30, 2022	$	365,147
Acquired goodwill (1)	56,683
Translation adjustments	4,477

Balance at June 30, 2023	$	426,307

(1) Refer to Note 16 "Business Combination" for additional information related to our acquired goodwill.

Intangible Assets

Intangible assets are stated at their original cost less accumulated amortization, and principally consist of acquired patents, technology, customer relationships and contracts, and trademarks. Intangible assets subject to amortization consisted of the following (in thousands):


	June 30, 2023						September 30, 2022
Intangible Assets, Net	Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
Acquired patents and technology	$	357,032	$	(271,322)	$	85,710	$	355,622	$	(253,080)	$	102,542
Customer relationships	152,190		(60,617)		91,573		66,142		(56,572)		9,570
Other intangible assets	23,032		(22,981)		51		22,973		(22,820)		153
Total	$	532,254	$	(354,920)	$	177,334	$	444,737	$	(332,472)	$	112,265

During the third quarter of fiscal 2023, we acquired $86.0 million of identifiable intangible assets in connection with the acquisition of MPEG LA. Refer to Note 16 "Business Combination" for more information. During the fiscal year-to-date period ended July 1, 2022, we purchased various patents for purchase consideration of $11.5 million, and upon acquisition, these intangible assets had a weighted-average useful life of 16.0 years. These intangible assets facilitate our R&D efforts, technologies, and potential product offerings.

Amortization expense for our intangible assets is included in cost of licensing, cost of products and services, R&D, S&M, and G&A expenses in our unaudited interim condensed consolidated statements of operations. Amortization expense was $7.5 million and $6.6 million in the third quarters of fiscal 2023 and 2022, respectively, and $20.8 million and $22.2 million in the fiscal year-to-date periods ended June 30, 2023 and July 1, 2022, respectively. As of June 30, 2023, expected amortization expense of our intangible assets in future fiscal periods was as follows (in thousands):


Fiscal Year	Amortization Expense

Remainder of 2023	$	8,032
2024	31,305
2025	16,348
2026	15,456
2027	14,773
Thereafter	91,420
Total	$	177,334