Income Taxes (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 27, 2015 USD ($)	Sep. 27, 2015 USD ($)
Income Taxes [Abstract]
Amount of unrecognized tax benefits	$ 6.2	$ 6.2
Unrecognized tax benefits that would impact effective tax rate	3.7	3.7
Unrecognized tax benefits, net increase in penalties and interest expense	0.1	0.4
Unrecognized tax benefits, accrued interest and penalties	$ 1.7	$ 1.7