Segment Information (Revenue and Operating Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended		9 Months Ended
	Jun. 29, 2013		Jun. 30, 2012		Jun. 29, 2013 segments		Jun. 30, 2012		Jun. 29, 2013 Segment Software Products		Jun. 30, 2012 Segment Software Products		Jun. 29, 2013 Segment Software Products		Jun. 30, 2012 Segment Software Products		Jun. 29, 2013 Segment Services		Jun. 30, 2012 Segment Services		Jun. 29, 2013 Segment Services		Jun. 30, 2012 Segment Services		Jun. 29, 2013 Sales and Marketing	Jun. 30, 2012 Sales and Marketing	Jun. 29, 2013 Sales and Marketing	Jun. 30, 2012 Sales and Marketing	Jun. 29, 2013 General and Administrative	Jun. 30, 2012 General and Administrative	Jun. 29, 2013 General and Administrative	Jun. 30, 2012 General and Administrative	Jun. 29, 2013 Restructuring Plan 2013 Q3	Jun. 29, 2013 Restructuring Plan 2013 Q3	Mar. 30, 2013 Restructuring Plan 2013 Q2	Jun. 30, 2012 Restructuring Plan 2013 Q2	Jun. 30, 2012 Restructuring Plan 2013 Q2
Number of operating and reportable segments					2
Revenue	$ 314,996		$ 310,983		$ 948,696		$ 930,384		$ 236,306		$ 229,706		$ 712,174		$ 688,322		$ 78,690		$ 81,277		$ 236,522		$ 242,062
Operating income	43,215	[1]	31,083	[1]	78,318	[1]	70,491	[1]	148,904	[1]	145,829	[1]	434,031	[1]	431,897	[1]	13,227	[1]	12,491	[1]	27,321	[1]	27,774	[1]
Sales and marketing expenses	89,443	[1]	97,386	[1]	282,734	[1]	298,606	[1]
General and administrative expenses	29,473	[1]	29,851	[1]	100,300	[1]	90,574	[1]
Other income (expense), net	3,181		(304)		(491)		(5,914)
Income before income taxes	46,396		30,779		77,827		64,577
Restructuring charges	$ 3,137		$ 4,126		$ 34,349		$ 24,928		$ 1,000		$ 700		$ 12,600		$ 4,100		$ 300		$ 800		$ 6,600		$ 4,000		$ 1,100	$ 2,700	$ 12,800	$ 15,200	$ 700	$ 0	$ 2,300	$ 1,600	$ 3,100	$ 34,300	$ 15,800	$ 4,100	$ 24,900

[1] We recorded restructuring charges of $3.1 million and $34.3 million in the third quarter and first nine months of 2013, respectively. Software Products included $1.0 million and $12.6 million, respectively; Services included $0.3 million and $6.6 million, respectively; sales and marketing expenses included $1.1 million and $12.8 million, respectively; and general and administrative expenses included $0.7 million and $2.3 million, respectively, of these restructuring charges. We recorded restructuring charges of $4.1 million and $24.9 million in the third quarter and first nine months of 2012, respectively. Software Products included $0.7 million and $4.1 million, respectively; Services included $0.8 million and $4.0 million, respectively; sales and marketing expenses included $2.7 million and $15.2 million, respectively; and general and administrative expenses included $0 million and $1.6 million, respectively, of these restructuring charges.