Quarterly Operating Results (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jul. 01, 2016	Apr. 01, 2016	Dec. 31, 2015	Oct. 02, 2015	Jul. 03, 2015	Apr. 03, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 910.0	$ 924.5	$ 1,021.2	$ 1,002.7	$ 952.9	$ 1,096.4	$ 1,202.9	$ 1,262.3	$ 3,858.4	$ 4,514.5	$ 5,979.8
Gross profit	74.1	102.9	119.2	110.9	64.9	115.3	131.5	120.7	407.1	432.4	393.2
Net income (loss) including noncontrolling interest	(103.7)	(13.7)	28.3	(4.4)	(54.7)	(31.8)	(8.4)	(40.9)	(93.5)	(135.8)	(643.0)
Less: net income (loss) attributable to noncontrolling interest	0.9	0.6	(1.5)	0.3	(6.8)	(2.8)	(1.5)	(2.8)	0.3	(13.9)	(15.4)
Net income (loss) attributable to Company common shareholders	(104.6)	(14.3)	29.8	(4.7)	(47.9)	(29.0)	(6.9)	(38.1)	$ (93.8)	$ (121.9)	$ (627.6)
Net income (loss) attributable to Company common shareholders — for diluted EPS computation	$ (104.6)	$ (14.3)	$ 29.8	$ (4.7)	$ (47.9)	$ (29.0)	$ (6.9)	$ (38.1)
Earnings (loss) per common share - basic (usd per share)	$ (2.10)	$ (0.29)	$ 0.60	$ (0.10)	$ (0.98)	$ (0.59)	$ (0.14)	$ (0.78)	$ (1.89)	$ (2.49)	$ (12.86)
Earnings (loss) per common share - assuming dilution (usd per share)	$ (2.10)	$ (0.29)	$ 0.57	$ (0.10)	$ (0.98)	$ (0.59)	$ (0.14)	$ (0.78)	$ (1.89)	$ (2.49)	$ (12.86)