Composition Of Certain Financial Statement Captions (Tables)

9 Months Ended

Jun. 29, 2018

Composition Of Certain Financial Statement Captions [Abstract]

Schedule Of Accounts Receivable

Accounts Receivable

	June 29, 2018			September 29, 2017
Trade accounts receivable	$	131,916		$	62,305
Accounts receivable from patent administration program customers	23,288			14,412
Accounts receivable, gross	155,204			76,717
Less: allowance for doubtful accounts	(5,622		)	(2,967		)
Total	$	149,582		$	73,750

Schedule Of Inventories

Inventories

	June 29, 2018		September 29, 2017
Raw materials	$	4,202	$	6,812
Work in process	4,566		4,954
Finished goods	15,164		13,285
Total	$	23,932	$	25,051

Schedule Of Prepaid Expenses And Other Current Assets

Prepaid Expenses And Other Current Assets

	June 29, 2018		September 29, 2017
Prepaid expenses	$	17,941	$	16,681
Other current assets	14,079		11,383
Income tax receivable	652		2,444
Total	$	32,672	$	30,508

Schedule Of Accrued Liabilities

Accrued Liabilities

	June 29, 2018		September 29, 2017
Accrued royalties	$	2,764	$	2,274
Amounts payable to patent administration program partners	49,926		49,141
Accrued compensation and benefits	74,157		92,277
Accrued professional fees	7,632		5,530
Unpaid PP&E additions	13,130		10,096
Other accrued liabilities	49,467		47,716
Total	$	197,076	$	207,034

Schedule Of Other Non-Current Liabilities

Other Non-Current Liabilities

	June 29, 2018		September 29, 2017
Supplemental retirement plan obligations	$	3,220	$	2,928
Non-current tax liabilities	188,027		91,013
Other liabilities	12,566		13,573
Total	$	203,813	$	107,514