Supplemental Guarantor Condensed Financial Information (Condensed Statements Of Operations and Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Apr. 01, 2016
Net sales:
Customers	$ 918.2	$ 1,002.7
Intercompany	0.0	0.0
Net sales	918.2	1,002.7
Cost of sales	799.6	891.8
Gross profit	118.6	110.9
Selling, general and administrative expenses	94.8	88.5
Goodwill impairment charges	0.0	1.6
Intangible asset impairment charges	0.0	0.3
Operating income	23.8	20.5
Other income (expense)	15.0	(1.2)
Interest income (expense):
Interest expense	(20.7)	(21.9)
Interest income	0.6	0.5
Interest income (expense), total	(20.1)	(21.4)
Income (loss) before income taxes	18.7	(2.1)
Income tax (provision) benefit	(6.3)	(2.4)
Equity in net earnings of affiliated companies and subsidiaries	0.0	0.1
Net income (loss) including noncontrolling interest	12.4	(4.4)
Less: net income (loss) attributable to noncontrolling interest	0.0	0.3
Net income (loss) attributable to Company common shareholders	12.4	(4.7)
Comprehensive income (loss):
Net income (loss)	12.4	(4.4)
Currency translation gain (loss)	8.6	31.5
Defined benefit plan adjustments, net of tax	0.8	1.3
Comprehensive income (loss), net of tax	21.8	28.4
Comprehensive income (loss) attributable to noncontrolling interest, net of tax	(0.1)	0.5
Comprehensive income (loss) attributable to Company common shareholders, net of tax	21.9	27.9
Eliminations [Member]
Net sales:
Customers	0.0	0.0
Intercompany	(117.5)	(126.9)
Net sales	(117.5)	(126.9)
Cost of sales	(99.3)	(109.8)
Gross profit	(18.2)	(17.1)
Selling, general and administrative expenses	(18.2)	(17.1)
Goodwill impairment charges		0.0
Intangible asset impairment charges		0.0
Operating income	0.0	0.0
Other income (expense)	0.0	0.0
Interest income (expense):
Interest expense	14.5	14.9
Interest income	(14.5)	(14.9)
Interest income (expense), total	0.0	0.0
Income (loss) before income taxes	0.0	0.0
Income tax (provision) benefit	0.0	0.0
Equity in net earnings of affiliated companies and subsidiaries	(14.8)	5.4
Net income (loss) including noncontrolling interest	(14.8)	5.4
Less: net income (loss) attributable to noncontrolling interest	0.0	0.0
Net income (loss) attributable to Company common shareholders	(14.8)	5.4
Comprehensive income (loss):
Net income (loss)	(14.8)	5.4
Currency translation gain (loss)	(16.8)	(57.9)
Defined benefit plan adjustments, net of tax	(1.2)	(1.6)
Comprehensive income (loss), net of tax	(32.8)	(54.1)
Comprehensive income (loss) attributable to noncontrolling interest, net of tax	0.0	0.0
Comprehensive income (loss) attributable to Company common shareholders, net of tax	(32.8)	(54.1)
Parent [Member]
Net sales:
Customers	0.0	0.0
Intercompany	18.2	17.1
Net sales	18.2	17.1
Cost of sales	0.0	0.0
Gross profit	18.2	17.1
Selling, general and administrative expenses	8.0	18.7
Goodwill impairment charges		0.0
Intangible asset impairment charges		0.0
Operating income	10.2	(1.6)
Other income (expense)	0.0	0.0
Interest income (expense):
Interest expense	(14.3)	(14.3)
Interest income	13.2	13.8
Interest income (expense), total	(1.1)	(0.5)
Income (loss) before income taxes	9.1	(2.1)
Income tax (provision) benefit	(4.4)	0.1
Equity in net earnings of affiliated companies and subsidiaries	7.7	(2.7)
Net income (loss) including noncontrolling interest	12.4	(4.7)
Less: net income (loss) attributable to noncontrolling interest	0.0	0.0
Net income (loss) attributable to Company common shareholders	12.4	(4.7)
Comprehensive income (loss):
Net income (loss)	12.4	(4.7)
Currency translation gain (loss)	8.7	31.3
Defined benefit plan adjustments, net of tax	0.8	1.3
Comprehensive income (loss), net of tax	21.9	27.9
Comprehensive income (loss) attributable to noncontrolling interest, net of tax	0.0	0.0
Comprehensive income (loss) attributable to Company common shareholders, net of tax	21.9	27.9
Guarantor Subsidiaries [Member]
Net sales:
Customers	466.9	447.2
Intercompany	48.6	67.0
Net sales	515.5	514.2
Cost of sales	444.0	453.9
Gross profit	71.5	60.3
Selling, general and administrative expenses	63.8	44.9
Goodwill impairment charges		0.0
Intangible asset impairment charges		0.3
Operating income	7.7	15.1
Other income (expense)	2.8	0.2
Interest income (expense):
Interest expense	(15.0)	(16.2)
Interest income	1.3	1.2
Interest income (expense), total	(13.7)	(15.0)
Income (loss) before income taxes	(3.2)	0.3
Income tax (provision) benefit	3.8	(0.4)
Equity in net earnings of affiliated companies and subsidiaries	7.1	(2.6)
Net income (loss) including noncontrolling interest	7.7	(2.7)
Less: net income (loss) attributable to noncontrolling interest	0.0	0.0
Net income (loss) attributable to Company common shareholders	7.7	(2.7)
Comprehensive income (loss):
Net income (loss)	7.7	(2.7)
Currency translation gain (loss)	8.7	31.3
Defined benefit plan adjustments, net of tax	0.8	1.3
Comprehensive income (loss), net of tax	17.2	29.9
Comprehensive income (loss) attributable to noncontrolling interest, net of tax	0.0	0.0
Comprehensive income (loss) attributable to Company common shareholders, net of tax	17.2	29.9
Non-Guarantor Subsidiaries [Member]
Net sales:
Customers	451.3	555.5
Intercompany	50.7	42.8
Net sales	502.0	598.3
Cost of sales	454.9	547.7
Gross profit	47.1	50.6
Selling, general and administrative expenses	41.2	42.0
Goodwill impairment charges		1.6
Intangible asset impairment charges		0.0
Operating income	5.9	7.0
Other income (expense)	12.2	(1.4)
Interest income (expense):
Interest expense	(5.9)	(6.3)
Interest income	0.6	0.4
Interest income (expense), total	(5.3)	(5.9)
Income (loss) before income taxes	12.8	(0.3)
Income tax (provision) benefit	(5.7)	(2.1)
Equity in net earnings of affiliated companies and subsidiaries	0.0	0.0
Net income (loss) including noncontrolling interest	7.1	(2.4)
Less: net income (loss) attributable to noncontrolling interest	0.0	0.3
Net income (loss) attributable to Company common shareholders	7.1	(2.7)
Comprehensive income (loss):
Net income (loss)	7.1	(2.4)
Currency translation gain (loss)	8.0	26.8
Defined benefit plan adjustments, net of tax	0.4	0.3
Comprehensive income (loss), net of tax	15.5	24.7
Comprehensive income (loss) attributable to noncontrolling interest, net of tax	(0.1)	0.5
Comprehensive income (loss) attributable to Company common shareholders, net of tax	$ 15.6	$ 24.2