Stock-based Compensation (Schedule of Classification of Compensation Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Total stock-based compensation expense	$ 11,177	$ 13,331	$ 34,880	$ 39,405
Cost of License Revenue
Total stock-based compensation expense	4	4	17	16
Cost of Service Revenue
Total stock-based compensation expense	1,372	1,314	4,404	4,235
Cost of Support Revenue
Total stock-based compensation expense	722	736	2,383	2,499
Sales and Marketing
Total stock-based compensation expense	2,693	3,334	7,986	10,368
Research and Development
Total stock-based compensation expense	2,139	1,886	6,475	6,675
General and Administrative
Total stock-based compensation expense	$ 4,247	$ 6,057	$ 13,615	$ 15,612