Stock-based Compensation (Schedule of Classification of Compensation Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Total stock-based compensation expense	$ 12,532	$ 11,177	$ 37,862	$ 34,880
Cost of License Revenue
Total stock-based compensation expense	4	4	13	17
Cost of Service Revenue
Total stock-based compensation expense	1,608	1,372	4,632	4,404
Cost of Support Revenue
Total stock-based compensation expense	898	722	2,711	2,383
Sales and Marketing
Total stock-based compensation expense	3,065	2,693	8,583	7,986
Research and Development
Total stock-based compensation expense	2,231	2,139	7,067	6,475
General and Administrative
Total stock-based compensation expense	$ 4,726	$ 4,247	$ 14,856	$ 13,615