Supplemental Guarantor Condensed Financial Information (Condensed Statements Of Operations and Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Oct. 02, 2015	Jul. 03, 2015	Apr. 03, 2015	Dec. 31, 2014	Sep. 26, 2014	Jun. 27, 2014	Mar. 28, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Net sales	$ 913.3	$ 1,027.3	$ 1,113.4	$ 1,171.1	$ 1,384.4	$ 1,315.8	$ 1,387.3	$ 1,301.5	$ 4,225.1	$ 5,389.0	$ 5,781.3
Cost of sales									3,811.3	5,053.7	5,176.3
Gross profit	58.8	118.1	123.2	113.7	83.2	8.1	126.2	117.8	413.8	335.3	605.0
Goodwill impairment charge									0.7	93.5	0.0
Intangible asset impairment charges									1.7	78.3	0.0
Selling, general and administrative expenses									390.8	410.0	429.2
Operating income (loss)									20.6	(246.5)	175.8
Other income (expense)									(67.0)	(210.8)	(66.6)
Interest expense									(94.7)	(113.4)	(122.1)
Interest income									1.8	3.3	6.0
Interest income (expense), total									(92.9)	(110.1)	(116.1)
Income (loss) before income taxes									(139.3)	(567.4)	(6.9)
Income tax (provision) benefit									14.7	(6.6)	(30.5)
Equity in net earnings of affiliated companies and subsidiaries									0.4	1.2	1.7
Net income (loss) from continuing operations	(51.7)	(36.2)	(1.6)	(34.7)	(186.7)	(110.0)	(13.7)	(262.4)	(124.2)	(572.8)	(35.7)
Net income (loss) from discontinued operations, net of tax	(3.0)	4.4	(6.8)	(6.2)	24.6	(8.8)	(9.0)	(77.0)	(11.6)	(70.2)	25.6
Net income (loss) including noncontrolling interest	(54.7)	(31.8)	(8.4)	(40.9)	(162.1)	(118.8)	(22.7)	(339.4)	(135.8)	(643.0)	(10.1)
Less: preferred stock dividends									0.0	0.0	0.3
Less: net income (loss) attributable to noncontrolling interest									(13.9)	(15.4)	7.7
Net income (loss) attributable to Company common shareholders	(47.9)	(29.0)	(6.9)	(38.1)	(163.2)	(124.2)	(24.8)	(315.4)	(121.9)	(627.6)	(18.1)
Comprehensive income (loss):
Net income (loss)	$ (54.7)	$ (31.8)	$ (8.4)	$ (40.9)	$ (162.1)	$ (118.8)	$ (22.7)	$ (339.4)	(135.8)	(643.0)	(10.1)
Currency translation gain (loss)									(100.2)	(97.3)	(46.9)
Defined benefit plan adjustments, net of tax									15.1	(25.7)	32.0
Change in fair value of derivatives, net of tax									0.0	0.0	0.3
Other, net of tax									0.0	(7.6)	0.0
Comprehensive income (loss), net of tax									(220.9)	(773.6)	(24.7)
Comprehensive income (loss) attributable to noncontrolling interest, net of tax									(22.2)	5.3	0.6
Comprehensive income (loss) attributable to Company common shareholders, net of tax									(198.7)	(778.9)	(25.3)
Customers [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Net sales									4,225.1	5,389.0	5,781.3
Intercompany [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Net sales									0.0	0.0	0.0
Parent Company [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Net sales									75.6	58.8	56.0
Cost of sales									0.0	0.0	0.0
Gross profit									75.6	58.8	56.0
Goodwill impairment charge									0.0	0.0
Intangible asset impairment charges									0.0	0.0
Selling, general and administrative expenses									75.6	49.9	43.4
Operating income (loss)									0.0	8.9	12.6
Other income (expense)									0.7	(1.5)	0.0
Interest expense									(58.2)	(63.0)	(86.9)
Interest income									56.2	55.2	105.1
Interest income (expense), total									(2.0)	(7.8)	18.2
Income (loss) before income taxes									(1.3)	(0.4)	30.8
Income tax (provision) benefit									0.3	0.1	(11.5)
Equity in net earnings of affiliated companies and subsidiaries									(120.9)	(627.3)	(37.1)
Net income (loss) from continuing operations									(121.9)	(627.6)	(17.8)
Net income (loss) from discontinued operations, net of tax									0.0	0.0	0.0
Net income (loss) including noncontrolling interest									(121.9)	(627.6)	(17.8)
Less: preferred stock dividends											0.3
Less: net income (loss) attributable to noncontrolling interest									0.0	0.0	0.0
Net income (loss) attributable to Company common shareholders									(121.9)	(627.6)	(18.1)
Comprehensive income (loss):
Net income (loss)									(121.9)	(627.6)	(17.8)
Currency translation gain (loss)									(100.2)	(118.0)	(39.2)
Defined benefit plan adjustments, net of tax									15.1	(25.7)	31.8
Change in fair value of derivatives, net of tax											(0.1)
Other, net of tax										(7.6)
Comprehensive income (loss), net of tax									(207.0)	(778.9)	(25.3)
Comprehensive income (loss) attributable to noncontrolling interest, net of tax									0.0	0.0	0.0
Comprehensive income (loss) attributable to Company common shareholders, net of tax									(207.0)	(778.9)	(25.3)
Parent Company [Member] | Customers [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Net sales									0.0	0.0	0.0
Parent Company [Member] | Intercompany [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Net sales									75.6	58.8	56.0
Guarantor Subsidiaries [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Net sales									2,145.6	2,368.5	2,525.0
Cost of sales									1,889.9	2,103.8	2,244.5
Gross profit									255.7	264.7	280.5
Goodwill impairment charge									0.0	0.0
Intangible asset impairment charges									0.0	2.1
Selling, general and administrative expenses									185.1	181.3	191.0
Operating income (loss)									70.6	81.3	89.5
Other income (expense)									(8.1)	5.3	(6.2)
Interest expense									(66.2)	(65.7)	(110.7)
Interest income									7.5	13.9	15.2
Interest income (expense), total									(58.7)	(51.8)	(95.5)
Income (loss) before income taxes									3.8	34.8	(12.2)
Income tax (provision) benefit									21.2	(11.4)	13.8
Equity in net earnings of affiliated companies and subsidiaries									(145.9)	(650.7)	(38.7)
Net income (loss) from continuing operations									(120.9)	(627.3)	(37.1)
Net income (loss) from discontinued operations, net of tax									0.0	0.0	0.0
Net income (loss) including noncontrolling interest									(120.9)	(627.3)	(37.1)
Less: preferred stock dividends											0.0
Less: net income (loss) attributable to noncontrolling interest									0.0	0.0	0.0
Net income (loss) attributable to Company common shareholders									(120.9)	(627.3)	(37.1)
Comprehensive income (loss):
Net income (loss)									(120.9)	(627.3)	(37.1)
Currency translation gain (loss)									(100.2)	(118.0)	(39.2)
Defined benefit plan adjustments, net of tax									15.1	(25.7)	31.8
Change in fair value of derivatives, net of tax											(0.1)
Other, net of tax										(7.6)
Comprehensive income (loss), net of tax									(206.0)	(778.6)	(44.6)
Comprehensive income (loss) attributable to noncontrolling interest, net of tax									0.0	0.0	0.0
Comprehensive income (loss) attributable to Company common shareholders, net of tax									(206.0)	(778.6)	(44.6)
Guarantor Subsidiaries [Member] | Customers [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Net sales									1,926.4	2,064.9	2,233.0
Guarantor Subsidiaries [Member] | Intercompany [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Net sales									219.2	303.6	292.0
Non-Guarantor Subsidiaries [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Net sales									2,453.5	3,531.9	3,834.6
Cost of sales									2,295.4	3,461.3	3,510.1
Gross profit									158.1	70.6	324.5
Goodwill impairment charge									0.7	93.5
Intangible asset impairment charges									1.7	76.2
Selling, general and administrative expenses									205.7	237.6	250.8
Operating income (loss)									(50.0)	(336.7)	73.7
Other income (expense)									(59.6)	(214.6)	(60.4)
Interest expense									(34.1)	(54.1)	(45.1)
Interest income									1.9	3.6	6.3
Interest income (expense), total									(32.2)	(50.5)	(38.8)
Income (loss) before income taxes									(141.8)	(601.8)	(25.5)
Income tax (provision) benefit									(6.8)	4.7	(32.8)
Equity in net earnings of affiliated companies and subsidiaries									0.1	0.6	0.8
Net income (loss) from continuing operations									(148.5)	(596.5)	(57.5)
Net income (loss) from discontinued operations, net of tax									(11.6)	(70.2)	25.6
Net income (loss) including noncontrolling interest									(160.1)	(666.7)	(31.9)
Less: preferred stock dividends											0.0
Less: net income (loss) attributable to noncontrolling interest									(13.9)	(15.4)	7.7
Net income (loss) attributable to Company common shareholders									(146.2)	(651.3)	(39.6)
Comprehensive income (loss):
Net income (loss)									(160.1)	(666.7)	(31.9)
Currency translation gain (loss)									(71.4)	(61.0)	(55.8)
Defined benefit plan adjustments, net of tax									10.0	(12.4)	12.3
Change in fair value of derivatives, net of tax											0.3
Other, net of tax										0.0
Comprehensive income (loss), net of tax									(221.5)	(740.1)	(75.1)
Comprehensive income (loss) attributable to noncontrolling interest, net of tax									(22.2)	5.3	0.6
Comprehensive income (loss) attributable to Company common shareholders, net of tax									(199.3)	(745.4)	(75.7)
Non-Guarantor Subsidiaries [Member] | Customers [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Net sales									2,298.7	3,324.1	3,548.3
Non-Guarantor Subsidiaries [Member] | Intercompany [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Net sales									154.8	207.8	286.3
Eliminations [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Net sales									(449.6)	(570.2)	(634.3)
Cost of sales									(374.0)	(511.4)	(578.3)
Gross profit									(75.6)	(58.8)	(56.0)
Goodwill impairment charge									0.0	0.0
Intangible asset impairment charges									0.0	0.0
Selling, general and administrative expenses									(75.6)	(58.8)	(56.0)
Operating income (loss)									0.0	0.0	0.0
Other income (expense)									0.0	0.0	0.0
Interest expense									63.8	69.4	120.6
Interest income									(63.8)	(69.4)	(120.6)
Interest income (expense), total									0.0	0.0	0.0
Income (loss) before income taxes									0.0	0.0	0.0
Income tax (provision) benefit									0.0	0.0	0.0
Equity in net earnings of affiliated companies and subsidiaries									267.1	1,278.6	76.7
Net income (loss) from continuing operations									267.1	1,278.6	76.7
Net income (loss) from discontinued operations, net of tax									0.0	0.0	0.0
Net income (loss) including noncontrolling interest									267.1	1,278.6	76.7
Less: preferred stock dividends											0.0
Less: net income (loss) attributable to noncontrolling interest									0.0	0.0	0.0
Net income (loss) attributable to Company common shareholders									267.1	1,278.6	76.7
Comprehensive income (loss):
Net income (loss)									267.1	1,278.6	76.7
Currency translation gain (loss)									171.6	199.7	87.3
Defined benefit plan adjustments, net of tax									(25.1)	38.1	(43.9)
Change in fair value of derivatives, net of tax											0.2
Other, net of tax										7.6
Comprehensive income (loss), net of tax									413.6	1,524.0	120.3
Comprehensive income (loss) attributable to noncontrolling interest, net of tax									0.0	0.0	0.0
Comprehensive income (loss) attributable to Company common shareholders, net of tax									413.6	1,524.0	120.3
Eliminations [Member] | Customers [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Net sales									0.0	0.0	0.0
Eliminations [Member] | Intercompany [Member]
Schedule of Statements Of Operations and Comprehensive Income (Loss) [Line Items]
Net sales									$ (449.6)	$ (570.2)	$ (634.3)