Condensed Consolidated Balance Sheets (unaudited) (Parenthetical) - USD ($) $ in Millions	Oct. 01, 2021	Jan. 01, 2021
Statement of Financial Position [Abstract]
Preferred Stock, par value per share (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	3,000,000.0	3,000,000.0
Preferred Stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value per share (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	360,000,000.0	360,000,000.0
Common stock, shares issued (in shares)	251,000,000.0	250,800,000
Common stock, shares outstanding (in shares)	251,000,000.0	250,800,000
Cash and cash equivalents	$ 513.2	$ 237.7

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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