Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2016	Sep. 27, 2015	Oct. 02, 2016	Sep. 27, 2015
Income Taxes [Abstract]
Amount of unrecognized tax benefits	$ 10.2		$ 10.2
Unrecognized tax benefits that would impact effective tax rate	7.3		7.3
Unrecognized tax benefits, net increase in penalties and interest expense	0.1		0.2
Unrecognized tax benefits, accrued interest and penalties	1.1		1.1
Provision for taxes on income	$ 11.5	$ 8.4	$ 26.7	$ 25.8
Effective income tax rate			21.40%	21.80%