Condensed Consolidating Financial Statements (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Condensed Consolidating Statements of Operations
Net sales	$ 684.9	$ 809.7	$ 840.4	$ 614.4	$ 648.5	$ 801.2	$ 808.6	$ 582.6	$ 2,949.4	[1]	$ 2,840.9	[1]	$ 2,585.2	[1]
Cost of goods sold									2,227.1		2,171.0		1,884.0
Gross profit	168.4	204.9	208.1	140.9	153.4	186.6	199.0	130.9	722.3		669.9		701.2
Operating expenses:
Selling, general and administrative expenses									507.0		476.9		492.0
(Gains) losses and other expenses, net									2.5		5.7		3.4
Restructuring charges					1.2	8.0	1.0	2.3	4.2		12.5		11.4
(Income) loss from equity method investments									(10.5)		(9.6)		(10.1)
Operational income from continuing operations									219.1		184.4		204.5
INTEREST EXPENSE (INCOME), net									17.1		16.8		12.8
Other expense, net									0.3		0.3		1.0
Income from continuing operations before income taxes									201.7		167.3		190.7
(BENEFIT FROM) PROVISION FOR INCOME TAXES									66.7		55.8		64.8
Income from continuing operations									135.0		111.5		125.9
Loss from discontinued operations									(45.0)		(23.2)		(9.7)
Net income	21.9	29.4	44.7	(6.1)	16.7	33.8	45.0	(7.2)	90.0		88.3		116.2
OTHER COMPREHENSIVE INCOME (LOSS)									14.8		(67.3)		31.0
Parent [Member]
Condensed Consolidating Statements of Operations
Net sales									0		0		0
Cost of goods sold									0.2		0.2		0.2
Gross profit									(0.2)		(0.2)		(0.2)
Operating expenses:
Selling, general and administrative expenses									0		0		0
(Gains) losses and other expenses, net									(1.7)		12.1		(0.6)
Restructuring charges									0		0		0
(Income) loss from equity method investments									(116.3)		(135.3)		(138.8)
Operational income from continuing operations									117.8		123.0		139.2
INTEREST EXPENSE (INCOME), net									16.6		16.8		12.4
Other expense, net									0		0		0
Income from continuing operations before income taxes									101.2		106.2		126.8
(BENEFIT FROM) PROVISION FOR INCOME TAXES									(4.9)		(9.8)		(4.4)
Income from continuing operations									106.1		116.0		131.2
Loss from discontinued operations									0		0		0
Net income									106.1		116.0		131.2
OTHER COMPREHENSIVE INCOME (LOSS)									6.7		(16.9)		5.7
Guarantor Subsidiaries [Member]
Condensed Consolidating Statements of Operations
Net sales									2,327.7		2,190.1		1,671.5
Cost of goods sold									1,799.6		1,721.0		1,234.9
Gross profit									528.1		469.1		436.6
Operating expenses:
Selling, general and administrative expenses									374.3		327.0		321.5
(Gains) losses and other expenses, net									1.1		1.4		4.6
Restructuring charges									2.8		10.8		1.5
(Income) loss from equity method investments									(17.0)		(31.2)		(11.8)
Operational income from continuing operations									166.9		161.1		120.8
INTEREST EXPENSE (INCOME), net									(2.4)		(4.0)		(3.0)
Other expense, net									0		0		0
Income from continuing operations before income taxes									169.3		165.1		123.8
(BENEFIT FROM) PROVISION FOR INCOME TAXES									50.5		46.0		37.8
Income from continuing operations									118.8		119.1		86.0
Loss from discontinued operations									(18.5)		(29.8)		(15.8)
Net income									100.3		89.3		70.2
OTHER COMPREHENSIVE INCOME (LOSS)									(2.8)		(22.4)		(1.5)
Non-Guarantor Subsidiaries [Member]
Condensed Consolidating Statements of Operations
Net sales									824.0		850.1		1,070.2
Cost of goods sold									629.2		650.6		799.1
Gross profit									194.8		199.5		271.1
Operating expenses:
Selling, general and administrative expenses									132.7		149.9		166.0
(Gains) losses and other expenses, net									3.2		(7.8)		4.4
Restructuring charges									1.4		1.7		9.9
(Income) loss from equity method investments									(7.8)		(7.1)		(10.1)
Operational income from continuing operations									65.3		62.8		100.9
INTEREST EXPENSE (INCOME), net									2.9		4.0		3.8
Other expense, net									0.3		0.3		1.0
Income from continuing operations before income taxes									62.1		58.5		96.1
(BENEFIT FROM) PROVISION FOR INCOME TAXES									21.2		19.1		24.8
Income from continuing operations									40.9		39.4		71.3
Loss from discontinued operations									(26.5)		6.6		(2.7)
Net income									14.4		46.0		68.6
OTHER COMPREHENSIVE INCOME (LOSS)									5.2		(27.3)		25.3
Eliminations [Member]
Condensed Consolidating Statements of Operations
Net sales									(202.3)		(199.3)		(156.5)
Cost of goods sold									(201.9)		(200.8)		(150.2)
Gross profit									(0.4)		1.5		(6.3)
Operating expenses:
Selling, general and administrative expenses									0		0		4.5
(Gains) losses and other expenses, net									(0.1)		0		(5.0)
Restructuring charges									0		0		0
(Income) loss from equity method investments									130.6		164.0		150.6
Operational income from continuing operations									(130.9)		(162.5)		(156.4)
INTEREST EXPENSE (INCOME), net									0		0		(0.4)
Other expense, net									0		0		0
Income from continuing operations before income taxes									(130.9)		(162.5)		(156.0)
(BENEFIT FROM) PROVISION FOR INCOME TAXES									(0.1)		0.5		6.6
Income from continuing operations									(130.8)		(163.0)		(162.6)
Loss from discontinued operations									0		0		8.8
Net income									(130.8)		(163.0)		(153.8)
OTHER COMPREHENSIVE INCOME (LOSS)									$ 5.7		$ (0.7)		$ 1.5

[1] On a consolidated basis, no revenues from transactions with a single customer were 10% or greater of our consolidated net sales for any of the periods presented.