Consolidated Statements Of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Net sales	$ 1,369.1	$ 1,517.8	$ 1,532.2	$ 1,447.6	$ 1,357.8	$ 1,200.5	$ 1,208.6	$ 1,098.0	$ 5,866.7		$ 4,864.9		$ 4,385.2
Cost of sales									5,241.1		4,310.9		3,865.7
Gross profit	127.6	156.4	174.6	167.0	146.4	125.3	144.7	137.6	625.6		554.0		519.5
Selling, general and administrative expenses									377.6		331.6		339.6
Operating income									248.0		222.4		179.9
Other income (expense)									(31.7)		(28.1)		7.0
Interest income (expense):
Interest expense									(99.2)		(77.0)		(86.6)
Interest income									7.7		5.4		3.6
Loss on extinguishment of debt									0		0		(7.6)
Interest income (expense), total									(91.5)		(71.6)		(90.6)
Income before income taxes									124.8		122.7		96.3
Income tax provision									(42.5)		(47.2)		(32.7)
Equity in net earnings of affiliated companies									2.9		1.4		0.9
Net income including noncontrolling interest									85.2		76.9		64.5
Less: preferred stock dividends									0.3		0.3		0.3
Less: net income attributable to noncontrolling interest									1.1	[1]	7.4	[1]	7.9
Net income attributable to Company common shareholders	$ 4.4	$ 3.6	$ 37.5	$ 38.2	$ 35.0	$ 18.1	$ 23.8	$ (7.8)	$ 83.8	[2]	$ 69.2	[2]	$ 56.3	[2]
EPS
Earnings per common share - basic	$ 0.09	$ 0.07	$ 0.72	$ 0.73	$ 0.67	$ 0.35	$ 0.46	$ (0.15)	$ 1.61	[3]	$ 1.33	[3]	$ 1.08	[3]
Weighted average common shares-basic									51.9	[3],[4]	52.1	[3],[4]	52.0	[3],[4]
Earnings per common share - assuming dilution	$ 0.09	$ 0.07	$ 0.68	$ 0.70	$ 0.66	$ 0.34	$ 0.45	$ (0.15)	$ 1.57		$ 1.31		$ 1.07
Weighted average common shares-assuming dilution									53.7	[4]	53.1	[4]	52.8	[4]

[1] Net income before preferred stock dividend payments

[2] Numerator

[3] Under the two class method, Earnings per share — basic reflects undistributed earnings per share for both common stock and unvested share-based payment awards (restricted stock).

[4] Denominator