Consolidated Condensed Balance Sheets (Parenthetical) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 28, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Accumulated depreciation	$ 821.4	$ 889.8
Preferred Stock, Dividend Rate, Percentage	5.00%	5.00%
Preferred stock par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock authorized (in shares)	15,000,000	15,000,000
Preferred stock issued (in shares)	1,400,000	1,400,000
Preferred stock outstanding (in shares)	1,400,000	1,400,000
Common stock par value (in dollars per share)	$ 0.01	$ 0.01
Common stock authorized (in shares)	2,000,000,000	2,000,000,000
Common stock issued (in shares)	336,200,000	335,100,000
Common stock outstanding (in shares)	335,400,000	334,500,000