Segment Information (Revenue by Product Segment) (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
Revenue	$ 314,996	$ 310,983	$ 948,696	$ 930,384
CAD
Revenue	135,249	142,774	403,540	427,956
Extended PLM
Revenue	140,517	146,286	422,758	442,379
SLM
Revenue	39,230	21,923	122,398	60,049
Segment Software Products
Revenue	236,306	229,706	712,174	688,322
Segment Services
Revenue	$ 78,690	$ 81,277	$ 236,522	$ 242,062