Composition Of Certain Financial Statement Captions (Tables)

12 Months Ended

Sep. 28, 2018

Composition Of Certain Financial Statement Captions [Abstract]

Schedule Of Accounts Receivable

Accounts Receivable, Net	September 28, 2018			September 29, 2017
Trade accounts receivable	$	101,945		$	62,305
Accounts receivable from patent administration program licensees	40,558			14,412
Accounts receivable, gross	142,503			76,717
Less: allowance for doubtful accounts	(5,352		)	(2,967		)
Total	$	137,151		$	73,750

Schedule Of Allowance For Doubtful Accounts

Allowance for Doubtful Accounts	Beginning Balance		Charged to G&A		Deductions			Ending Balance
For fiscal year ended:
September 30, 2016	$	1,542	$	1,017	$	(189	)	$	2,370
September 29, 2017	2,370		924		(327		)	2,967
September 28, 2018	2,967		2,507		(122		)	5,352

Schedule Of Inventories

Inventories

Inventories	September 28, 2018		September 29, 2017
Raw materials	$	6,095	$	6,812
Work in process	4,044		4,954
Finished goods	16,067		13,285
Total	$	26,206	$	25,051

Schedule Of Prepaid Expenses And Other Current Assets

Prepaid Expenses And Other Current Assets	September 28, 2018		September 29, 2017
Prepaid expenses	$	18,508	$	16,681
Other current assets	14,265		11,383
Income tax receivable	2,436		2,444
Total	$	35,209	$	30,508

Schedule Of Accrued Liabilities

Accrued Liabilities	September 28, 2018		September 29, 2017
Accrued royalties	$	2,430	$	2,274
Amounts payable to patent administration program partners	53,942		49,141
Accrued compensation and benefits	84,491		92,277
Accrued professional fees	9,749		5,530
Unpaid PP&E additions	13,956		10,096
Other accrued liabilities	59,026		47,716
Total	$	223,594	$	207,034

Schedule Of Other Non-Current Liabilities

Other Non-Current Liabilities	September 28, 2018		September 29, 2017
Supplemental retirement plan obligations	$	3,388	$	2,928
Non-current tax liabilities	129,253		91,013
Other liabilities	18,319		13,573
Total	$	150,960	$	107,514