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Stock-based Compensation (Schedule of Classification of Compensation Expense) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2018 | Apr. 01, 2017 | Mar. 31, 2018 | Apr. 01, 2017
Total stock-based compensation expense | $ 17,026 | $ 21,577 | $ 35,357 | $ 39,565
Cost of license and subscription revenue |  |  |  |
Total stock-based compensation expense | 408 | 314 | 821 | 607
Cost of support revenue |  |  |  |
Total stock-based compensation expense | 690 | 1,355 | 1,498 | 2,499
Cost of professional services revenue |  |  |  |
Total stock-based compensation expense | 1,669 | 1,539 | 3,375 | 2,995
Sales and marketing |  |  |  |
Total stock-based compensation expense | 5,038 | 4,130 | 9,917 | 7,751
Research and development |  |  |  |
Total stock-based compensation expense | 3,383 | 3,951 | 6,343 | 6,948
General and administrative |  |  |  |
Total stock-based compensation expense | $ 5,838 | $ 10,288 | $ 13,403 | $ 18,765

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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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