Revenue Recognition (Tables)

6 Months Ended

Mar. 29, 2019

Disaggregation of Revenue [Abstract]

Disaggregation of Revenue [Table Text Block]

The Company disaggregates revenue from contracts with customers by geography as it believes that doing so best depicts how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors. Net revenue by geographic area presented based upon the location of the original equipment manufacturers’ (“OEMs”) headquarters are as follows (in millions):

	Three Months Ended				Six Months Ended
	March 29, 2019		March 30, 2018		March 29, 2019		March 30, 2018
United States	$	403.1	$	419.9	$	1,003.2	$	1,046.7
China	199.4		242.0		394.0		441.7
South Korea	106.0		118.6		205.0		236.8
Taiwan	64.1		89.4		104.8		161.6
Europe, Middle East and Africa	31.1		37.8		63.8		67.3
Other Asia-Pacific	6.7		5.7		11.6		11.2
Total	$	810.4	$	913.4	$	1,782.4	$	1,965.3