Segment Information (Revenue By Geographic Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Jun. 30, 2012		Jul. 02, 2011		Jun. 30, 2012		Jul. 02, 2011
Revenue	$ 310,983		$ 291,783		$ 930,384		$ 827,524
Americas [Member]
Revenue	112,661	[1]	104,618	[1]	339,680	[1]	299,111	[1]
Europe [Member]
Revenue	120,214	[2]	120,302	[2]	369,169	[2]	334,132	[2]
Pacific Rim [Member]
Revenue	43,593		36,873		118,170		106,694
Japan [Member]
Revenue	34,515		29,990		103,365		87,587
United States [Member]
Revenue	106,100		98,700		319,100		263,600
Germany [Member]
Revenue	$ 48,000		$ 48,900		$ 145,300		$ 120,600

[1] Includes revenue in the United States totaling $106.1 million and $98.7 million for the three months ended June 30, 2012 and July 2, 2011, respectively, and $319.1 million and $263.6 million for the nine months ended June 30, 2012 and July 2, 2011, respectively.

[2] Includes revenue in Germany totaling $48.0 million and $48.9 million for the three months ended June 30, 2012 and July 2, 2011, respectively, and $145.3 million and $120.6 million for the nine months ended June 30, 2012 and July 2, 2011, respectively.