Consolidated Condensed Statement Of Stockholders' Equity Consolidated Condensed Statement Of Stockholders' Equity (Parenthetical) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2019	Jun. 29, 2018	Jun. 28, 2019	Jun. 29, 2018
Statement of Stockholders' Equity [Abstract]
Debt conversion, converted instrument, tax benefit	$ 3.5	$ 1.1	$ 8.2	$ 4.2