Composition Of Certain Financial Statement Captions (Tables)

6 Months Ended

Mar. 29, 2019

Composition Of Certain Financial Statement Captions [Abstract]

Schedule Of Accounts Receivable

Accounts Receivable

	March 29, 2019			September 28, 2018 (as adjusted)
Trade accounts receivable	$	127,526		$	108,929
Accounts receivable from patent administration program licensees	58,298			62,462
Accounts receivable, gross	185,824			171,391
Less: allowance for doubtful accounts	(7,207		)	(5,258		)
Total	$	178,617		$	166,133

Schedule Of Inventories

Inventories

	March 29, 2019		September 28, 2018
Raw materials	$	10,122	$	6,095
Work in process	4,554		4,044
Finished goods	19,956		16,067
Total	$	34,632	$	26,206

Schedule Of Prepaid Expenses And Other Current Assets

Prepaid Expenses And Other Current Assets

	March 29, 2019		September 28, 2018 (as adjusted)
Prepaid expenses	$	24,050	$	18,508
Other current assets	16,825		13,946
Income tax receivable	3,175		2,436
Total	$	44,050	$	34,890

Schedule Of Accrued Liabilities

Accrued Liabilities

	March 29, 2019		September 28, 2018 (as adjusted)
Accrued royalties	$	3,072	$	2,648
Amounts payable to patent administration program partners	60,287		69,061
Accrued compensation and benefits	62,936		84,491
Accrued professional fees	12,516		9,749
Unpaid PP&E additions	10,010		13,956
Other accrued liabilities	81,887		63,223
Total	$	230,708	$	243,128

Schedule Of Other Non-Current Liabilities

Other Non-Current Liabilities

	March 29, 2019		September 28, 2018
Supplemental retirement plan obligations	$	3,257	$	3,388
Non-current tax liabilities	151,011		129,253
Other liabilities	49,931		51,158
Total	$	204,199	$	183,799