Accumulated Other Comprehensive Loss (Schedule of Reclassifications out of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 27, 2019	Sep. 28, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Loss [Line Items]
Total reclassifications for the period	$ (0.1)	$ (4.5)
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	1.0	0.7
Amortization of pension and post-retirement plans, net actuarial loss	0.4	0.4
Amortization of pension and post-retirement plans, prior service credit	(1.5)	(1.5)
Plan settlements	$ 0.0	$ (4.1)