Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Dec. 31, 2013	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Discontinued Operations [Abstract]
Net sales									$ 0	$ 1.6	$ 8.9
Production margin									0	(2.1)	(2.9)
Expenses (income)									(0.3)	0.5	0.7
Facility closure costs accrual (reversal)									(2.4)	5.9	0
Income (loss) from operations									2.7	(8.5)	(3.6)
Provision for taxes on income									0.6	(2.7)	(1.1)
Income (loss) from discontinued operations, net of tax	0.1	0.2	1.8	0	0	0	(5.1)	(0.7)	2.1	(5.8)	(2.5)
Reversal of facility closure accrual costs, net of tax									2.4
Tax expense (benefit) on facility closure accrual costs									$ 0.6