The following tables present detailed information from our consolidated balance sheets as of September 27, 2024 and September 29, 2023 (in thousands).

Accounts Receivable and Contract Assets


	September 27, 2024		September 29, 2023
Trade accounts receivable	$	170,574	$	137,820

Accounts receivable from patent administration program licensees	150,252		134,108
Contract assets	197,584		182,268
Accounts receivable and contract assets, gross	518,410		454,196
Less: allowance for credit losses on accounts receivable and contract assets	(5,467)		(9,821)
Total accounts receivable and contract assets, net	$	512,943	$	444,375

Accounts receivable as of September 27, 2024 and September 29, 2023, respectively, includes unbilled accounts receivable balances of $173.8 million and $150.4 million, related to amounts that are contractually owed. The unbilled balance represents our unconditional right to consideration related to fixed fee contracts which we are entitled to as a result of satisfying, or partially satisfying, performance obligations, as well as Via LA's unconditional right to consideration related to its patent administration programs.


Allowance for Credit Losses	Beginning Balance		Charges/(Credits) to S&M and G&A		Additions/(Deductions)		Ending Balance
For fiscal year ended:
September 30, 2022	$	8,952	$	5,460	$	(7)	$	14,405
September 29, 2023	14,405		(793)		(2,643)		10,969
September 27, 2024	10,969		(2,256)		(1,877)		6,836

Allowance for credit losses includes the provision for estimated credit losses on our sales-type leases, which was not material as of September 27, 2024 and as of September 29, 2023.

Inventories


	September 27, 2024		September 29, 2023
Raw materials	$	3,079	$	6,203
Work in process	4,791		3,972
Finished goods	25,858		25,448
Total inventories	$	33,728	$	35,623

Inventories are stated at the lower of cost and net realizable value. Inventory with a consumption period expected to exceed twelve months is recorded within other non-current assets in our consolidated balance sheets. We have included $10.4 million and $8.1 million of inventory within non-current assets as of September 27, 2024 and September 29, 2023, respectively. Based on anticipated inventory consumption rates, and aside from existing write-downs due to excess inventory, we do not believe that material risk of obsolescence exists prior to ultimate sale.

Prepaid Expenses and Other Current Assets


	September 27, 2024		September 29, 2023
Prepaid expenses	$	29,745	$	24,435
Other current assets	40,249		26,257

Total prepaid expenses and other current assets	$	69,994	$	50,692

Other current assets includes certain acquired assets of $18.2 million as part of the acquisition of GE Licensing, which we plan to sell shortly after the acquisition date. Refer to Note 15, "Business Combinations" for more information.

Accrued Liabilities


	September 27, 2024		September 29, 2023

Amounts payable to patent administration program partners	$	156,472	$	150,509
Accrued compensation and benefits	97,179		118,728
Accrued professional fees	16,568		18,632
Unpaid property, plant, and equipment additions	17,055		18,002
Accrued customer refunds	2,988		3,878
Accrued market development funds	2,522		5,010
Other accrued liabilities	54,745		36,640
Total accrued liabilities	$	347,529	$	351,399

Other Non-Current Liabilities


	September 27, 2024		September 29, 2023
Supplemental retirement plan obligations	$	4,946	$	4,302
Non-current tax liabilities (1)	78,355		74,482
Other liabilities (2)	52,551		29,555
Total other non-current liabilities	$	135,852	$	108,339

(2) Other liabilities includes a contingent liability of $14.2 million acquired as a part of the GE Licensing acquisition. Refer to Note 15, "Business Combinations" for more information.