Supplemental Guarantor Condensed Financial Information (Condensed Statements Of Operations and Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2016	Jul. 03, 2015	Jul. 01, 2016	Jul. 03, 2015
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Customers	$ 990.0	$ 1,113.4	$ 1,964.0	$ 2,284.5
Intercompany	0.0	0.0	0.0	0.0
Net sales	990.0	1,113.4	1,964.0	2,284.5
Cost of sales	873.8	990.2	1,741.7	2,047.6
Gross profit	116.2	123.2	222.3	236.9
Selling, general and administrative expenses	55.6	97.8	144.5	195.3
Goodwill impairment charge	0.0	0.0	1.6	0.0
Intangible asset impairment charges	2.5	1.7	2.8	1.7
Operating income (loss)	58.1	23.7	73.4	39.9
Other income (expense)	9.1	(6.0)	7.7	(31.8)
Interest expense	(22.7)	(25.3)	(44.2)	(49.7)
Interest income	0.3	0.5	0.6	1.0
Interest income (expense), total	(22.4)	(24.8)	(43.6)	(48.7)
Income (loss) before income taxes	44.8	(7.1)	37.5	(40.6)
Income tax (provision) benefit	(11.4)	5.5	(12.2)	4.1
Equity in net earnings of affiliated companies and subsidiaries	0.3	0.0	0.4	0.2
Net income (loss) from continuing operations	33.7	(1.6)	25.7	(36.3)
Net income (loss) from discontinued operations, net of tax	(5.4)	(6.8)	(1.8)	(13.0)
Net income (loss) including noncontrolling interest	28.3	(8.4)	23.9	(49.3)
Less: net income (loss) attributable to noncontrolling interest	(1.5)	(1.5)	(1.2)	(4.3)
Net income (loss) attributable to Company common shareholders	29.8	(6.9)	25.1	(45.0)
Comprehensive income (loss):
Net income (loss)	28.3	(8.4)	23.9	(49.3)
Currency translation gain (loss)	(0.3)	(13.6)	31.2	(58.2)
Defined benefit plan adjustments, net of tax	1.3	1.8	2.6	4.8
Comprehensive income (loss), net of tax	29.3	(20.2)	57.7	(102.7)
Comprehensive income (loss) attributable to noncontrolling interest, net of tax	(1.8)	(2.3)	(1.3)	(8.7)
Comprehensive income (loss) attributable to Company common shareholders, net of tax	31.1	(17.9)	59.0	(94.0)
Eliminations [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Customers	0.0	0.0	0.0	0.0
Intercompany	(104.8)	(115.1)	(232.0)	(246.2)
Net sales	(104.8)	(115.1)	(232.0)	(246.2)
Cost of sales	(88.2)	(98.0)	(198.3)	(208.0)
Gross profit	(16.6)	(17.1)	(33.7)	(38.2)
Selling, general and administrative expenses	(16.6)	(17.1)	(33.7)	(38.2)
Goodwill impairment charge			0.0
Intangible asset impairment charges	0.0	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	15.2	15.6	30.4	32.9
Interest income	(15.2)	(15.6)	(30.4)	(32.9)
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	(8.5)	33.1	(3.1)	116.6
Net income (loss) from continuing operations	(8.5)	33.1	(3.1)	116.6
Net income (loss) from discontinued operations, net of tax	0.0	0.0	0.0	0.0
Net income (loss) including noncontrolling interest	(8.5)	33.1	(3.1)	116.6
Less: net income (loss) attributable to noncontrolling interest	0.0	0.0	0.0	0.0
Net income (loss) attributable to Company common shareholders	(8.5)	33.1	(3.1)	116.6
Comprehensive income (loss):
Net income (loss)	(8.5)	33.1	(3.1)	116.6
Currency translation gain (loss)	(0.4)	29.0	(58.3)	85.6
Defined benefit plan adjustments, net of tax	(1.6)	(2.4)	(3.2)	(7.2)
Comprehensive income (loss), net of tax	(10.5)	59.7	(64.6)	195.0
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	(10.5)	59.7	(64.6)	195.0
Parent Company [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Customers	0.0	0.0	0.0	0.0
Intercompany	16.6	17.1	33.7	38.2
Net sales	16.6	17.1	33.7	38.2
Cost of sales	0.0	0.0	0.0	0.0
Gross profit	16.6	17.1	33.7	38.2
Selling, general and administrative expenses	12.9	16.0	31.6	36.5
Goodwill impairment charge			0.0
Intangible asset impairment charges	0.0	0.0	0.0	0.0
Operating income (loss)	3.7	1.1	2.1	1.7
Other income (expense)	0.0	0.0	0.0	0.7
Interest expense	(14.4)	(14.4)	(28.7)	(29.8)
Interest income	13.7	13.8	27.5	28.6
Interest income (expense), total	(0.7)	(0.6)	(1.2)	(1.2)
Income (loss) before income taxes	3.0	0.5	0.9	1.2
Income tax (provision) benefit	(1.1)	(0.2)	(1.0)	(0.8)
Equity in net earnings of affiliated companies and subsidiaries	27.9	(7.2)	25.2	(45.4)
Net income (loss) from continuing operations	29.8	(6.9)	25.1	(45.0)
Net income (loss) from discontinued operations, net of tax	0.0	0.0	0.0	0.0
Net income (loss) including noncontrolling interest	29.8	(6.9)	25.1	(45.0)
Less: net income (loss) attributable to noncontrolling interest	0.0	0.0	0.0	0.0
Net income (loss) attributable to Company common shareholders	29.8	(6.9)	25.1	(45.0)
Comprehensive income (loss):
Net income (loss)	29.8	(6.9)	25.1	(45.0)
Currency translation gain (loss)	0.0	(12.8)	31.3	(53.8)
Defined benefit plan adjustments, net of tax	1.3	1.8	2.6	4.8
Comprehensive income (loss), net of tax	31.1	(17.9)	59.0	(94.0)
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	31.1	(17.9)	59.0	(94.0)
Guarantor Subsidiaries [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Customers	453.2	503.1	900.4	1,043.5
Intercompany	51.2	62.0	118.2	124.7
Net sales	504.4	565.1	1,018.6	1,168.2
Cost of sales	442.5	499.9	896.4	1,026.9
Gross profit	61.9	65.2	122.2	141.3
Selling, general and administrative expenses	(3.6)	41.7	41.3	88.9
Goodwill impairment charge			0.0
Intangible asset impairment charges	0.0	0.0	0.3	0.0
Operating income (loss)	65.5	23.5	80.6	52.4
Other income (expense)	(0.5)	(2.5)	(0.3)	(4.0)
Interest expense	(15.9)	(16.4)	(32.1)	(33.6)
Interest income	1.4	1.9	2.6	4.3
Interest income (expense), total	(14.5)	(14.5)	(29.5)	(29.3)
Income (loss) before income taxes	50.5	6.5	50.8	19.1
Income tax (provision) benefit	(3.4)	12.2	(3.8)	6.6
Equity in net earnings of affiliated companies and subsidiaries	(19.2)	(25.9)	(21.8)	(71.1)
Net income (loss) from continuing operations	27.9	(7.2)	25.2	(45.4)
Net income (loss) from discontinued operations, net of tax	0.0	0.0	0.0	0.0
Net income (loss) including noncontrolling interest	27.9	(7.2)	25.2	(45.4)
Less: net income (loss) attributable to noncontrolling interest	0.0	0.0	0.0	0.0
Net income (loss) attributable to Company common shareholders	27.9	(7.2)	25.2	(45.4)
Comprehensive income (loss):
Net income (loss)	27.9	(7.2)	25.2	(45.4)
Currency translation gain (loss)	0.0	(12.8)	31.3	(53.8)
Defined benefit plan adjustments, net of tax	1.3	1.8	2.6	4.8
Comprehensive income (loss), net of tax	29.2	(18.2)	59.1	(94.4)
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	29.2	(18.2)	59.1	(94.4)
Non-Guarantor Subsidiaries [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Customers	536.8	610.3	1,063.6	1,241.0
Intercompany	37.0	36.0	80.1	83.3
Net sales	573.8	646.3	1,143.7	1,324.3
Cost of sales	519.5	588.3	1,043.6	1,228.7
Gross profit	54.3	58.0	100.1	95.6
Selling, general and administrative expenses	62.9	57.2	105.3	108.1
Goodwill impairment charge			1.6
Intangible asset impairment charges	2.5	1.7	2.5	1.7
Operating income (loss)	(11.1)	(0.9)	(9.3)	(14.2)
Other income (expense)	9.6	(3.5)	8.0	(28.5)
Interest expense	(7.6)	(10.1)	(13.8)	(19.2)
Interest income	0.4	0.4	0.9	1.0
Interest income (expense), total	(7.2)	(9.7)	(12.9)	(18.2)
Income (loss) before income taxes	(8.7)	(14.1)	(14.2)	(60.9)
Income tax (provision) benefit	(6.9)	(6.5)	(7.4)	(1.7)
Equity in net earnings of affiliated companies and subsidiaries	0.1	0.0	0.1	0.1
Net income (loss) from continuing operations	(15.5)	(20.6)	(21.5)	(62.5)
Net income (loss) from discontinued operations, net of tax	(5.4)	(6.8)	(1.8)	(13.0)
Net income (loss) including noncontrolling interest	(20.9)	(27.4)	(23.3)	(75.5)
Less: net income (loss) attributable to noncontrolling interest	(1.5)	(1.5)	(1.2)	(4.3)
Net income (loss) attributable to Company common shareholders	(19.4)	(25.9)	(22.1)	(71.2)
Comprehensive income (loss):
Net income (loss)	(20.9)	(27.4)	(23.3)	(75.5)
Currency translation gain (loss)	0.1	(17.0)	26.9	(36.2)
Defined benefit plan adjustments, net of tax	0.3	0.6	0.6	2.4
Comprehensive income (loss), net of tax	(20.5)	(43.8)	4.2	(109.3)
Comprehensive income (loss) attributable to noncontrolling interest, net of tax	(1.8)	(2.3)	(1.3)	(8.7)
Comprehensive income (loss) attributable to Company common shareholders, net of tax	$ (18.7)	$ (41.5)	$ 5.5	$ (100.6)