Supplemental Guarantor Condensed Financial Information (Condensed Statements Of Operations and Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Oct. 02, 2015	Sep. 30, 2016	Oct. 02, 2015
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Customers	$ 924.5	$ 1,096.4	$ 2,948.4	$ 3,561.6
Intercompany	0.0	0.0	0.0	0.0
Net sales	924.5	1,096.4	2,948.4	3,561.6
Cost of sales	821.6	981.1	2,615.4	3,194.1
Gross profit	102.9	115.3	333.0	367.5
Selling, general and administrative expenses	86.1	90.5	238.0	311.0
Goodwill impairment charges	7.4	0.0	9.0	3.2
Intangible asset impairment charges	4.7	0.0	7.5	1.7
Operating income (loss)	4.7	24.8	78.5	51.6
Other income (expense)	(2.1)	(28.9)	4.7	(61.9)
Interest expense	(22.5)	(23.2)	(67.2)	(74.2)
Interest income	0.2	0.7	1.2	2.2
Interest income (expense), total	(22.3)	(22.5)	(66.0)	(72.0)
Income (loss) before income taxes	(19.7)	(26.6)	17.2	(82.3)
Income tax (provision) benefit	5.7	(5.3)	(7.7)	0.9
Equity in net earnings of affiliated companies and subsidiaries	0.3	0.1	0.7	0.3
Net income (loss) including noncontrolling interest	(13.7)	(31.8)	10.2	(81.1)
Less: net income (loss) attributable to noncontrolling interest	0.6	(2.8)	(0.6)	(7.1)
Net income (loss) attributable to Company common shareholders	(14.3)	(29.0)	10.8	(74.0)
Comprehensive income (loss):
Net income (loss)	(13.7)	(31.8)	10.2	(81.1)
Currency translation gain (loss)	13.4	(19.4)	44.6	(77.6)
Defined benefit plan adjustments, net of tax	1.3	1.8	3.9	6.6
Comprehensive income (loss), net of tax	1.0	(49.4)	58.7	(152.1)
Comprehensive income (loss) attributable to noncontrolling interest, net of tax	1.2	(6.3)	(0.1)	(15.0)
Comprehensive income (loss) attributable to Company common shareholders, net of tax	(0.2)	(43.1)	58.8	(137.1)
Eliminations [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Customers	0.0	0.0	0.0	0.0
Intercompany	(97.1)	(110.0)	(328.5)	(353.6)
Net sales	(97.1)	(110.0)	(328.5)	(353.6)
Cost of sales	(80.6)	(91.5)	(278.3)	(296.9)
Gross profit	(16.5)	(18.5)	(50.2)	(56.7)
Selling, general and administrative expenses	(16.5)	(18.5)	(50.2)	(56.7)
Goodwill impairment charges	0.0		0.0	0.0
Intangible asset impairment charges	0.0		0.0	0.0
Operating income (loss)	0.0	0.0	0.0	0.0
Other income (expense)	0.0	0.0	0.0	0.0
Interest expense	15.5	15.5	45.4	48.4
Interest income	(15.5)	(15.5)	(45.4)	(48.4)
Interest income (expense), total	0.0	0.0	0.0	0.0
Income (loss) before income taxes	0.0	0.0	0.0	0.0
Income tax (provision) benefit	0.0	0.0	0.0	0.0
Equity in net earnings of affiliated companies and subsidiaries	31.7	57.1	28.6	173.7
Net income (loss) including noncontrolling interest	31.7	57.1	28.6	173.7
Less: net income (loss) attributable to noncontrolling interest	0.0	0.0	0.0	0.0
Net income (loss) attributable to Company common shareholders	31.7	57.1	28.6	173.7
Comprehensive income (loss):
Net income (loss)	31.7	57.1	28.6	173.7
Currency translation gain (loss)	(27.4)	32.2	(85.7)	117.8
Defined benefit plan adjustments, net of tax	(1.6)	(2.4)	(4.8)	(9.6)
Comprehensive income (loss), net of tax	2.7	86.9	(61.9)	281.9
Comprehensive income (loss) attributable to noncontrolling interest, net of tax	0.0	0.0	0.0	0.0
Comprehensive income (loss) attributable to Company common shareholders, net of tax	2.7	86.9	(61.9)	281.9
Parent [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Customers	0.0	0.0	0.0	0.0
Intercompany	16.5	18.5	50.2	56.7
Net sales	16.5	18.5	50.2	56.7
Cost of sales	0.0	0.0	0.0	0.0
Gross profit	16.5	18.5	50.2	56.7
Selling, general and administrative expenses	13.7	18.3	45.3	54.8
Goodwill impairment charges	0.0		0.0	0.0
Intangible asset impairment charges	0.0		0.0	0.0
Operating income (loss)	2.8	0.2	4.9	1.9
Other income (expense)	0.0	0.0	0.0	0.7
Interest expense	(14.4)	(14.3)	(43.1)	(44.1)
Interest income	14.1	13.8	41.6	42.4
Interest income (expense), total	(0.3)	(0.5)	(1.5)	(1.7)
Income (loss) before income taxes	2.5	(0.3)	3.4	0.9
Income tax (provision) benefit	(1.1)	(1.2)	(2.1)	(2.0)
Equity in net earnings of affiliated companies and subsidiaries	(15.7)	(27.5)	9.5	(72.9)
Net income (loss) including noncontrolling interest	(14.3)	(29.0)	10.8	(74.0)
Less: net income (loss) attributable to noncontrolling interest	0.0	0.0	0.0	0.0
Net income (loss) attributable to Company common shareholders	(14.3)	(29.0)	10.8	(74.0)
Comprehensive income (loss):
Net income (loss)	(14.3)	(29.0)	10.8	(74.0)
Currency translation gain (loss)	12.8	(16.2)	44.1	(70.0)
Defined benefit plan adjustments, net of tax	1.3	1.8	3.9	6.6
Comprehensive income (loss), net of tax	(0.2)	(43.4)	58.8	(137.4)
Comprehensive income (loss) attributable to noncontrolling interest, net of tax	0.0	0.0	0.0	0.0
Comprehensive income (loss) attributable to Company common shareholders, net of tax	(0.2)	(43.4)	58.8	(137.4)
Guarantor Subsidiaries [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Customers	422.1	477.4	1,322.5	1,520.9
Intercompany	44.6	54.4	162.8	179.1
Net sales	466.7	531.8	1,485.3	1,700.0
Cost of sales	405.9	468.3	1,302.3	1,495.2
Gross profit	60.8	63.5	183.0	204.8
Selling, general and administrative expenses	45.5	48.3	86.8	137.2
Goodwill impairment charges	7.4		7.4	0.0
Intangible asset impairment charges	4.7		5.0	0.0
Operating income (loss)	3.2	15.2	83.8	67.6
Other income (expense)	0.2	(3.2)	(0.1)	(7.2)
Interest expense	(15.9)	(16.3)	(48.0)	(49.9)
Interest income	1.2	1.8	3.8	6.1
Interest income (expense), total	(14.7)	(14.5)	(44.2)	(43.8)
Income (loss) before income taxes	(11.3)	(2.5)	39.5	16.6
Income tax (provision) benefit	11.4	4.5	7.6	11.1
Equity in net earnings of affiliated companies and subsidiaries	(15.8)	(29.5)	(37.6)	(100.6)
Net income (loss) including noncontrolling interest	(15.7)	(27.5)	9.5	(72.9)
Less: net income (loss) attributable to noncontrolling interest	0.0	0.0	0.0	0.0
Net income (loss) attributable to Company common shareholders	(15.7)	(27.5)	9.5	(72.9)
Comprehensive income (loss):
Net income (loss)	(15.7)	(27.5)	9.5	(72.9)
Currency translation gain (loss)	12.8	(16.2)	44.1	(70.0)
Defined benefit plan adjustments, net of tax	1.3	1.8	3.9	6.6
Comprehensive income (loss), net of tax	(1.6)	(41.9)	57.5	(136.3)
Comprehensive income (loss) attributable to noncontrolling interest, net of tax	0.0	0.0	0.0	0.0
Comprehensive income (loss) attributable to Company common shareholders, net of tax	(1.6)	(41.9)	57.5	(136.3)
Non-Guarantor Subsidiaries [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Customers	502.4	619.0	1,625.9	2,040.7
Intercompany	36.0	37.1	115.5	117.8
Net sales	538.4	656.1	1,741.4	2,158.5
Cost of sales	496.3	604.3	1,591.4	1,995.8
Gross profit	42.1	51.8	150.0	162.7
Selling, general and administrative expenses	43.4	42.4	156.1	175.7
Goodwill impairment charges	0.0		1.6	3.2
Intangible asset impairment charges	0.0		2.5	1.7
Operating income (loss)	(1.3)	9.4	(10.2)	(17.9)
Other income (expense)	(2.3)	(25.7)	4.8	(55.4)
Interest expense	(7.7)	(8.1)	(21.5)	(28.6)
Interest income	0.4	0.6	1.2	2.1
Interest income (expense), total	(7.3)	(7.5)	(20.3)	(26.5)
Income (loss) before income taxes	(10.9)	(23.8)	(25.7)	(99.8)
Income tax (provision) benefit	(4.6)	(8.6)	(13.2)	(8.2)
Equity in net earnings of affiliated companies and subsidiaries	0.1	0.0	0.2	0.1
Net income (loss) including noncontrolling interest	(15.4)	(32.4)	(38.7)	(107.9)
Less: net income (loss) attributable to noncontrolling interest	0.6	(2.8)	(0.6)	(7.1)
Net income (loss) attributable to Company common shareholders	(16.0)	(29.6)	(38.1)	(100.8)
Comprehensive income (loss):
Net income (loss)	(15.4)	(32.4)	(38.7)	(107.9)
Currency translation gain (loss)	15.2	(19.2)	42.1	(55.4)
Defined benefit plan adjustments, net of tax	0.3	0.6	0.9	3.0
Comprehensive income (loss), net of tax	0.1	(51.0)	4.3	(160.3)
Comprehensive income (loss) attributable to noncontrolling interest, net of tax	1.2	(6.3)	(0.1)	(15.0)
Comprehensive income (loss) attributable to Company common shareholders, net of tax	$ (1.1)	$ (44.7)	$ 4.4	$ (145.3)