Segment Information (Geographic Revenue) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Sep. 27, 2013	Jun. 28, 2013	Mar. 29, 2013	Dec. 28, 2012	Sep. 28, 2012	Jun. 29, 2012	Mar. 30, 2012	Dec. 30, 2011	Sep. 27, 2013	Sep. 28, 2012	Sep. 30, 2011
Segment Reporting Information [Line Items]
Revenue, Net	$ 477.0	$ 436.1	$ 425.2	$ 453.7	$ 421.1	$ 389.0	$ 364.7	$ 393.8	$ 1,792.0	$ 1,568.6	$ 1,418.9
Total Americas [Member]
Segment Reporting Information [Line Items]
Revenue, Net									77.5	88.7	115.5
UNITED STATES
Segment Reporting Information [Line Items]
Revenue, Net									67.3	70.3	76.7
Other Americas [Member]
Segment Reporting Information [Line Items]
Revenue, Net									10.2	18.4	38.8
Total Asia-Pacific [Member]
Segment Reporting Information [Line Items]
Revenue, Net									1,671.7	1,442.4	1,248.4
China
Segment Reporting Information [Line Items]
Revenue, Net									979.3	820.1	914.7
South Korea
Segment Reporting Information [Line Items]
Revenue, Net									102.9	103.2	148.4
Taiwan
Segment Reporting Information [Line Items]
Revenue, Net									387.5	311.7	93.8
Other Asia-Pacific [Member]
Segment Reporting Information [Line Items]
Revenue, Net									202.0	207.4	91.5
Europe, Middle East and Africa [Member]
Segment Reporting Information [Line Items]
Revenue, Net									$ 42.8	$ 37.5	$ 55.0