Consolidated Statements of Operations and Comprehensive Income (Loss) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 26, 2014	Jun. 27, 2014	Mar. 28, 2014	Dec. 31, 2013	Sep. 27, 2013	Jun. 28, 2013	Mar. 29, 2013	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Income Statement and Statement of Other Comprehensive Income [Abstract]
Net sales	$ 1,546.7	$ 1,471.7	$ 1,531.3	$ 1,430.1	$ 1,661.3	$ 1,557.1	$ 1,659.1	$ 1,543.7	$ 5,979.8		$ 6,421.2		$ 6,059.5
Cost of sales									5,586.6		5,717.5		5,434.6
Gross profit	102.7	26.6	131.8	132.1	193.8	160.2	192.8	156.9	393.2		703.7		624.9
Selling, general and administrative expenses									450.7		492.0		425.5
Goodwill impairment charge									155.1		0		0
Intangible asset impairment charges									98.8		0		0
Operating income (loss)									(311.4)		211.7		199.4
Other income (expense)									(212.9)		(66.7)		(2.9)
Interest income (expense):
Interest expense									(116.3)		(124.9)		(106.8)
Interest income									4.5		6.9		6.5
Loss on extinguishment of debt									0		0		(9.3)
Interest income (expense), total									(111.8)		(118.0)		(109.6)
Income (loss) before income taxes									(636.1)		27.0		86.9
Income tax provision									(8.3)		(38.8)		(78.6)
Equity in net earnings of affiliated companies									1.4		1.7		1.7
Net income (loss) including noncontrolling interest									(643.0)		(10.1)		10.0
Less: preferred stock dividends									0		0.3		0.3
Less: net income (loss) attributable to noncontrolling interest									(15.4)		7.7		5.7
Net income (loss) attributable to Company common shareholders	(163.2)	(124.2)	(24.8)	(315.4)	13.8	5.7	8.2	(45.8)	(627.6)		(18.1)		4.0
EPS
Earnings (loss) per common share - basic (usd per share)	$ (3.35)	$ (2.55)	$ (0.51)	$ (6.42)	$ 0.28	$ 0.11	$ 0.17	$ (0.92)	$ (12.86)	[1]	$ (0.37)	[1]	$ 0.08	[1]
Weighted average common shares-basic									48.8	[1],[2]	49.4	[1],[2]	49.7	[1],[2]
Earnings (loss) per common share - assuming dilution (usd per share)	$ (3.35)	$ (2.55)	$ (0.51)	$ (6.42)	$ 0.27	$ 0.11	$ 0.16	$ (0.92)	$ (12.86)		$ (0.37)		$ 0.08
Weighted average common shares-assuming dilution									48.8	[2]	49.4	[2]	51.1	[2]
Comprehensive income (loss):
Net income (loss)									(643.0)		(10.1)		10.0
Currency translation gain (loss)									(97.3)		(46.9)		9.9
Defined benefit plan adjustments, net of tax $14.6 million in 2014, $16.8 million in 2013 and $7.3 million in 2012									(25.7)		32.0		(21.3)
Change in fair value of derivatives, net of tax $0.2 million in 2013 and $3.0 million in 2012									0		0.3		6.0
Other, net of tax									(7.6)		0		0
Comprehensive income (loss), net of tax									(773.6)		(24.7)		4.6
Comprehensive income (loss) attributable to noncontrolling interest, net of tax									5.3		0.6		7.5
Comprehensive income (loss) attributable to Company common shareholders interest, net of tax									$ (778.9)		$ (25.3)		$ (2.9)

[1] 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).

[2] Denominator