Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 02, 2021	Mar. 27, 2020	Apr. 02, 2021	Mar. 27, 2020
Disaggregation of Revenue [Line Items]
Document Period End Date			Apr. 02, 2021
Revenues	$ 1,171.8	$ 766.1	$ 2,681.8	$ 1,662.2
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues	635.0	415.4	1,736.6	1,005.8
CHINA
Disaggregation of Revenue [Line Items]
Revenues	285.1	178.0	497.7	346.4
KOREA, REPUBLIC OF
Disaggregation of Revenue [Line Items]
Revenues	66.4	73.9	134.3	133.0
TAIWAN, PROVINCE OF CHINA
Disaggregation of Revenue [Line Items]
Revenues	132.6	59.1	220.1	101.0
EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues	45.4	32.7	79.2	63.0
Asia, Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 7.3	$ 7.0	$ 13.9	$ 13.0