Accumulated Other Comprehensive Loss (Schedule of Reclassifications out of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 29, 2019	Mar. 30, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Loss [Line Items]
Total reclassifications for the period	$ (0.2)	$ (0.1)
Reclassification out of Accumulated Other Comprehensive Loss
Reclassification Adjustment out of Accumulated Other Comprehensive Loss [Line Items]
Amortization of unrealized loss on derivatives, net of tax	0.2	0.4
Amortization of pension and post-retirement plans, net actuarial loss	0.1	0.1
Amortization of pension and post-retirement plans, prior service credit	(0.5)	(0.5)
Plan settlements	$ 0.0	$ (0.1)