| Composition Of Certain Financial Statement Captions [Abstract] | Period [Axis] |
|---|
2015-09-26 - 2016-09-30 |
|---|
Composition Of Certain Financial Statement Captions [Abstract] | |
Schedule Of Accounts Receivable | | | | | | | | | | Accounts Receivable, Net | September 30,
2016 | | September 25,
2015 | Trade accounts receivable | $ | 66,229 |
| | $ | 94,559 |
| Accounts receivable from patent administration program customers | 11,829 |
| | 8,546 |
| Accounts receivable, gross | 78,058 |
| | 103,105 |
| Less: allowance for doubtful accounts | (2,370 | ) | | (1,542 | ) | Total | $ | 75,688 |
| | $ | 101,563 |
|
|
Schedule Of Allowance For Doubtful Accounts | | | | | | | | | | | | | | | Allowance for Doubtful Accounts | Beginning Balance | Charged to Operations | Deductions | Ending Balance | For fiscal year ended: | | | | | September 26, 2014 | $ | 514 |
| $ | 1,119 |
| $ | (18 | ) | $ | 1,615 |
| September 25, 2015 | 1,615 |
| 33 |
| (106 | ) | 1,542 |
| September 30, 2016 | 1,542 |
| 1,017 |
| (189 | ) | 2,370 |
|
|
Schedule Of Inventories | Inventories | | | | | | | | | Inventories | September 30,
2016 | | September 25,
2015 | Raw materials | $ | 3,526 |
| | $ | 3,246 |
| Work in process | 4,020 |
| | 3,279 |
| Finished goods | 8,808 |
| | 7,347 |
| Total | $ | 16,354 |
| | $ | 13,872 |
|
|
Schedule Of Prepaid Expenses And Other Current Assets | | | | | | | | | | Prepaid Expenses And Other Current Assets | September 30,
2016 | | September 25,
2015 | Prepaid expenses | $ | 13,440 |
| | $ | 13,680 |
| Other current assets | 11,578 |
| | 7,525 |
| Income tax receivable | 1,284 |
| | 10,826 |
| Total | $ | 26,302 |
| | $ | 32,031 |
|
|
Schedule Of Accrued Liabilities | | | | | | | | | | Accrued Liabilities | September 30,
2016 | | September 25,
2015 | Accrued royalties | $ | 1,939 |
| | $ | 1,951 |
| Amounts payable to patent administration program partners | 34,472 |
| | 40,466 |
| Accrued compensation and benefits | 71,261 |
| | 70,317 |
| Accrued professional fees | 6,528 |
| | 6,523 |
| Other accrued liabilities | 54,855 |
| | 50,050 |
| Total | $ | 169,055 |
| | $ | 169,307 |
|
|
Schedule Of Other Non-Current Liabilities | | | | | | | | | | Other Non-Current Liabilities | September 30,
2016 | | September 25,
2015 | Supplemental retirement plan obligations | $ | 2,540 |
| | $ | 2,400 |
| Non-current tax liabilities | 68,254 |
| | 62,843 |
| Other liabilities | 12,128 |
| | 11,781 |
| Total | $ | 82,922 |
| | $ | 77,024 |
|
|