Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues	$ 2,885.2	$ 2,569.7	$ 2,578.1
Cost of sales	2,382.6	2,142.2	2,147.3
Gross Profit	502.6	427.5	430.8
Selling, general and administrative expenses	426.6	392.6	327.3
Operating Expenses	426.6	392.6	327.3
Operating Profit	76.0	34.9	103.5
Interest Expense	14.6	6.7	4.7
Income from unconsolidated affiliates	(28.0)	(7.1)	(6.1)
Other, net	(4.4)	(3.0)	0.4
Other (Income) Expense	(17.8)	(3.4)	(1.0)
Income Before Income Taxes	93.8	38.3	104.5
Income tax provision (benefit)	44.9	(4.0)	29.4
Net Income	48.9	42.3	75.1
Net (income) loss attributable to noncontrolling interest	(0.3)	0.5	(0.4)
Net Income Attributable to Stockholders	$ 48.6	$ 42.8	$ 74.7
Basic Earnings per Share Attributable to Stockholders:
Basic Earnings per Share	$ 2.95	$ 2.61	$ 4.58
Diluted Earnings per Share Attributable to Stockholders
Diluted earnings per share	$ 2.94	$ 2.61	$ 4.57