Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2018	Mar. 31, 2017
Income Statement [Abstract]
Net sales	$ 1,020.5	$ 918.2
Cost of sales	914.8	799.2
Gross profit	105.7	119.0
Selling, general and administrative expenses	71.4	94.8
Operating income	34.3	24.2
Other income (expense)	(15.6)	14.6
Interest income (expense):
Interest expense	(19.2)	(20.7)
Interest income	0.9	0.6
Interest income (expense), total	(18.3)	(20.1)
Income (loss) before income taxes	0.4	18.7
Income tax (provision) benefit	(4.6)	(6.3)
Net income (loss) including noncontrolling interest	(4.2)	12.4
Less: net income (loss) attributable to noncontrolling interest	0.1	0.0
Net income (loss) attributable to Company common shareholders	$ (4.3)	$ 12.4
Earnings (loss) per share - Net income (loss) attributable to Company common shareholders per common share
Earnings (loss) per common share-basic (per share)	$ (0.08)	$ 0.25
Earnings (loss) per common share - assuming dilution (per share)	(0.08)	0.24
Dividends per common share (per share)	$ 0.18	$ 0.18
Comprehensive income (loss):
Net income (loss)	$ (4.2)	$ 12.4
Currency translation gain (loss)	2.9	8.6
Defined benefit plan adjustments, net of tax of $0.2 million in the three fiscal months ended March 30, 2018 and $0.4 million in the three fiscal months ended March 31, 2017	0.8	0.8
Comprehensive income (loss), net of tax	(0.5)	21.8
Comprehensive income (loss) attributable to noncontrolling interest, net of tax	0.1	(0.1)
Comprehensive income (loss) attributable to Company common shareholders, net of tax	$ (0.6)	$ 21.9