Condensed Consolidating Financial Statements (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Condensed Consolidating Statements of Operations
Net sales	$ 812.8	$ 898.4	$ 960.7	$ 695.4	$ 749.5	$ 868.0	$ 913.1	$ 668.4	$ 3,367.4	[1]	$ 3,199.1	[1]	$ 2,949.4	[1]
Cost of goods sold									2,464.1		2,337.9		2,227.1
Gross profit	225.4	247.1	262.6	168.1	207.7	237.4	254.0	162.0	903.3		861.2		722.3
Operating expenses:
Selling, general and administrative expenses									573.7		570.1		507.0
Other Operating Income (Expense), Net									6.8		9.3		2.5
Restructuring charges	0.6	1.0			1.8		2.4		1.9		5.0		4.2
(Income) loss from equity method investments									(13.8)		(12.2)		(10.5)
Operational income from continuing operations									334.7		289.0		219.1
Interest expense, net									17.2		14.5		17.1
Other expense, net									(0.1)		0.2		0.3
Income from continuing operations before income taxes									317.6		274.3		201.7
Provision for income taxes									109.5		94.4		66.7
Income from continuing operations									208.1		179.9		135.0
Loss from discontinued operations									(2.3)		(8.1)		(45.0)
Net income	44.6	67.4	73.9	19.9	35.2	64.3	64.3	8.0	205.8		171.8		90.0
Other comprehensive income (loss), net of tax									(92.4)		(38.8)		14.8
Comprehensive income									113.4		133.0		104.8
Parent [Member]
Condensed Consolidating Statements of Operations
Net sales									0		0		0
Cost of goods sold									0		0		0.2
Gross profit									0		0		(0.2)
Operating expenses:
Selling, general and administrative expenses									0		0		0
Other Operating Income (Expense), Net									0		1.1		(1.7)
Restructuring charges									0		0		0
(Income) loss from equity method investments									(216.4)		(181.7)		(116.3)
Operational income from continuing operations									216.4		180.6		117.8
Interest expense, net									16.0		14.0		16.6
Other expense, net									0		0		0
Income from continuing operations before income taxes									200.4		166.6		101.2
Provision for income taxes									(5.6)		(5.2)		(4.9)
Income from continuing operations									206.0		171.8		106.1
Loss from discontinued operations									0		0		0
Net income									206.0		171.8		106.1
Other comprehensive income (loss), net of tax									(4.1)		(38.8)		6.7
Comprehensive income									201.9		133.0		112.8
Guarantor Subsidiaries [Member]
Condensed Consolidating Statements of Operations
Net sales									2,775.7		2,557.9		2,327.7
Cost of goods sold									2,057.8		1,900.9		1,799.6
Gross profit									717.9		657.0		528.1
Operating expenses:
Selling, general and administrative expenses									454.5		437.1		374.3
Other Operating Income (Expense), Net									3.2		7.9		1.1
Restructuring charges									0.4		2.9		2.8
(Income) loss from equity method investments									(25.4)		(26.4)		(17.0)
Operational income from continuing operations									285.2		235.5		166.9
Interest expense, net									(3.0)		(2.1)		(2.4)
Other expense, net									0		0		0
Income from continuing operations before income taxes									288.2		237.6		169.3
Provision for income taxes									91.7		73.7		50.5
Income from continuing operations									196.5		163.9		118.8
Loss from discontinued operations									0		0		(18.5)
Net income									196.5		163.9		100.3
Other comprehensive income (loss), net of tax									(51.2)		36.3		(2.8)
Comprehensive income									145.3		200.2		97.5
Non-Guarantor Subsidiaries [Member]
Condensed Consolidating Statements of Operations
Net sales									818.0		837.0		824.0
Cost of goods sold									628.3		632.8		629.2
Gross profit									189.7		204.2		194.8
Operating expenses:
Selling, general and administrative expenses									119.2		133.0		132.7
Other Operating Income (Expense), Net									3.6		0.3		3.2
Restructuring charges									1.5		2.1		1.4
(Income) loss from equity method investments									(11.3)		(9.7)		(7.8)
Operational income from continuing operations									76.7		78.5		65.3
Interest expense, net									4.2		2.6		2.9
Other expense, net									(0.1)		0.2		0.3
Income from continuing operations before income taxes									72.6		75.7		62.1
Provision for income taxes									24.9		25.9		21.2
Income from continuing operations									47.7		49.8		40.9
Loss from discontinued operations									(2.3)		(8.1)		(26.5)
Net income									45.4		41.7		14.4
Other comprehensive income (loss), net of tax									(34.8)		(6.1)		5.2
Comprehensive income									10.6		35.6		19.6
Eliminations [Member]
Condensed Consolidating Statements of Operations
Net sales									(226.3)		(195.8)		(202.3)
Cost of goods sold									(222.0)		(195.8)		(201.9)
Gross profit									(4.3)		0		(0.4)
Operating expenses:
Selling, general and administrative expenses									0		0		0
Other Operating Income (Expense), Net									0		0		(0.1)
Restructuring charges									0		0		0
(Income) loss from equity method investments									239.3		205.6		130.6
Operational income from continuing operations									(243.6)		(205.6)		(130.9)
Interest expense, net									0		0		0
Other expense, net									0		0		0
Income from continuing operations before income taxes									(243.6)		(205.6)		(130.9)
Provision for income taxes									(1.5)		0		(0.1)
Income from continuing operations									(242.1)		(205.6)		(130.8)
Loss from discontinued operations									0		0		0
Net income									(242.1)		(205.6)		(130.8)
Other comprehensive income (loss), net of tax									(2.3)		(30.2)		5.7
Comprehensive income									$ (244.4)		$ (235.8)		$ (125.1)

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