Composition Of Certain Financial Statement Captions (Tables)

3 Months Ended

Dec. 29, 2017

Composition Of Certain Financial Statement Captions [Abstract]

Schedule Of Accounts Receivable

Accounts Receivable

	December 29, 2017			September 29, 2017
Trade accounts receivable	$	107,068		$	62,305
Accounts receivable from patent administration program customers	19,936			14,412
Accounts receivable, gross	127,004			76,717
Less: allowance for doubtful accounts	(4,087		)	(2,967		)
Total	$	122,917		$	73,750

Schedule Of Inventories

Inventories

	December 29, 2017		September 29, 2017
Raw materials	$	4,465	$	6,812
Work in process	6,321		4,954
Finished goods	14,076		13,285
Total	$	24,862	$	25,051

Schedule Of Prepaid Expenses And Other Current Assets

Prepaid Expenses And Other Current Assets

	December 29, 2017		September 29, 2017
Prepaid expenses	$	17,852	$	16,681
Other current assets	12,743		11,383
Income tax receivable	510		2,444
Total	$	31,105	$	30,508

Schedule Of Accrued Liabilities

Accrued Liabilities

	December 29, 2017		September 29, 2017
Accrued royalties	$	2,298	$	2,274
Amounts payable to patent administration program partners	59,619		49,141
Accrued compensation and benefits	60,365		92,277
Accrued professional fees	7,500		5,530
Unpaid PP&E additions	10,203		10,096
Other accrued liabilities	38,434		47,716
Total	$	178,419	$	207,034

Schedule Of Other Non-Current Liabilities

Other Non-Current Liabilities

	December 29, 2017		September 29, 2017
Supplemental retirement plan obligations	$	3,067	$	2,928
Non-current tax liabilities	182,882		91,013
Other liabilities	12,862		13,573
Total	$	198,811	$	107,514