Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 01, 2021	Dec. 27, 2019
Disaggregation of Revenue [Line Items]
Document Period End Date	Jan. 01, 2021
Revenues	$ 1,510.0	$ 896.1
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues	1,101.6	590.4
CHINA
Disaggregation of Revenue [Line Items]
Revenues	212.6	168.4
KOREA, REPUBLIC OF
Disaggregation of Revenue [Line Items]
Revenues	68.0	59.0
TAIWAN, PROVINCE OF CHINA
Disaggregation of Revenue [Line Items]
Revenues	87.5	42.0
EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues	33.8	30.3
Asia, Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 6.5	$ 6.0