Business And Basis Of Presentation - Narrative (Details) $ / shares in Units, shares in Millions, $ in Millions		9 Months Ended
	Sep. 20, 2019 USD ($) $ / shares shares	Oct. 01, 2021 segment
Business Acquisition [Line Items]
Payments to acquire business | $	$ 2,000.0
Common stock, shares issued (in shares) | shares	127.9
Number of business segments (in segments) | segment		2
IPO
Business Acquisition [Line Items]
Issuance of common stock (in shares) | shares	30.8
Percentage of outstanding share issues in sale of stock	19.40%
Price per share (in USD per share) | $ / shares	$ 22.00
Proceeds from issuance IPO | $	$ 643.4