Segment Information (Revenue By Geographic Segment) (Details) (USD $) In Thousands	3 Months Ended				9 Months Ended
	Jul. 02, 2011		Jul. 03, 2010		Jul. 02, 2011		Jul. 03, 2010
Revenue	$ 291,783		$ 242,998		$ 827,524		$ 741,983
Americas [Member]
Revenue	104,618	[1]	82,450	[1]	299,111	[1]	273,547	[1]
Europe [Member]
Revenue	120,302	[2]	101,838	[2]	334,132	[2]	294,536	[2]
Pacific Rim [Member]
Revenue	36,873		33,156		106,694		95,473
Japan [Member]
Revenue	29,990		25,554		87,587		78,427
United States [Member]
Revenue	98,700		78,600		284,000		263,600
Germany [Member]
Revenue	$ 48,900		$ 44,500		$ 120,600		$ 109,800

[1] Includes revenue in the United States totaling $98.7 million and $78.6 million for the three months ended July 2, 2011 and July 3, 2010, respectively, and $284.0 million and $263.6 million for the nine months ended July 2, 2011 and July 3, 2010, respectively.

[2] Includes revenue in Germany totaling $48.9 million and $44.5 million for the three months ended July 2, 2011 and July 3, 2010, respectively, and $120.6 million and $109.8 million for the nine months ended July 2, 2011 and July 3, 2010, respectively.