Composition Of Certain Financial Statement Captions (Tables)

6 Months Ended

Mar. 30, 2018

Composition Of Certain Financial Statement Captions [Abstract]

Schedule Of Accounts Receivable

Accounts Receivable

	March 30, 2018			September 29, 2017
Trade accounts receivable	$	117,351		$	62,305
Accounts receivable from patent administration program customers	28,491			14,412
Accounts receivable, gross	145,842			76,717
Less: allowance for doubtful accounts	(4,585		)	(2,967		)
Total	$	141,257		$	73,750

Schedule Of Inventories

Inventories

	March 30, 2018		September 29, 2017
Raw materials	$	3,787	$	6,812
Work in process	4,432		4,954
Finished goods	15,847		13,285
Total	$	24,066	$	25,051

Schedule Of Prepaid Expenses And Other Current Assets

Prepaid Expenses And Other Current Assets

	March 30, 2018		September 29, 2017
Prepaid expenses	$	19,686	$	16,681
Other current assets	14,542		11,383
Income tax receivable	1,016		2,444
Total	$	35,244	$	30,508

Schedule Of Accrued Liabilities

Accrued Liabilities

	March 30, 2018		September 29, 2017
Accrued royalties	$	2,308	$	2,274
Amounts payable to patent administration program partners	45,940		49,141
Accrued compensation and benefits	63,973		92,277
Accrued professional fees	8,347		5,530
Unpaid PP&E additions	9,809		10,096
Other accrued liabilities	37,416		47,716
Total	$	167,793	$	207,034

Schedule Of Other Non-Current Liabilities

Other Non-Current Liabilities

	March 30, 2018		September 29, 2017
Supplemental retirement plan obligations	$	3,190	$	2,928
Non-current tax liabilities	185,932		91,013
Other liabilities	12,960		13,573
Total	$	202,082	$	107,514