Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Net Sales	$ 1,061.5	$ 1,034.0
Cost of Sales	886.5	826.3
Selling, General and Administrative	91.1	89.1
Other (Income) Expense, Net	(0.2)	0.9
Business Combinations and Other Special Charges	8.6	10.5
Income from Operations	75.5	107.2
Interest Expense, Net	(21.3)	(16.9)
Income before Income Taxes and Equity Income of Unconsolidated Entity	54.2	90.3
Income Tax Expense	(17.6)	(33.2)
Income before Equity Income of Unconsolidated Entity	36.6	57.1
Equity Income of Unconsolidated Entity	0.4	0.4
Net Income	$ 37.0	$ 57.5
Net Income Per Share - Basic and Diluted (in dollars per share)	$ 0.12	$ 0.18
Cash dividends declared (in dollars per share)	$ 0.075	$ 0.05