Segment Information (Tables)

12 Months Ended

Sep. 28, 2018

Segment Reporting [Abstract]

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area

Net revenue by geographic area presented based upon the location of the OEMs' headquarters are as follows (in millions):

	Fiscal Years Ended
	September 28, 2018		September 29, 2017		September 30, 2016
United States	$	1,946.2	$	1,615.4	$	1,455.0
China	982.8		1,018.8		971.2
South Korea	432.7		531.8		393.0
Taiwan	339.1		335.4		323.6
Europe, Middle East and Africa	144.6		117.4		102.1
Other Asia-Pacific	22.6		32.6		44.1
Total	$	3,868.0	$	3,651.4	$	3,289.0

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country

Net property, plant and equipment balances, based on the physical locations within the indicated geographic areas are as follows (in millions):

	As of
	September 28, 2018		September 29, 2017
Mexico	$	449.4	$	465.9
Japan	328.4		166.4
United States	123.5		126.9
Singapore	222.7		112.1
Rest of world	16.9		11.0
	$	1,140.9	$	882.3