Segment Information (Revenue by Geographic Segment) (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
Revenue	$ 336,634		$ 314,996		$ 990,259		$ 948,696
UNITED STATES
Revenue	121,000		121,900		375,900		350,500
Americas
Revenue	130,379	[1]	129,501	[1]	403,633	[1]	380,310	[1]
Europe
Revenue	130,659	[2]	115,425	[2]	385,720	[2]	353,920	[2]
Pacific Rim
Revenue	36,422		36,268		106,976		114,179
JAPAN
Revenue	39,174		33,802		93,930		100,287
GERMANY
Revenue	$ 48,900		$ 41,800		$ 139,500		$ 123,500

[1] Includes revenue in the United States totaling $121.0 million and $121.9 million for the quarters ended June 28, 2014 and June 29, 2013, respectively, and $375.9 million and $350.5 million for the nine months ended June 28, 2014 and June 29, 2013, respectively.

[2] Includes revenue in Germany totaling $48.9 million and $41.8 million for the quarters ended June 28, 2014 and June 29, 2013, respectively, and $139.5 million and $123.5 million for the nine months ended June 28, 2014 and June 29, 2013, respectively.