Comprehensive Income (Details 3) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Income tax expense (benefit) allocated to other comprehensive income (loss)
Foreign currency translation		$ (1.0)		$ (0.9)
Pension and other postretirement benefits	$ 2.4	1.6	$ 9.1	7.3
Cash flow hedges	(0.1)	0.1	(0.2)
Income tax expense related to components of other comprehensive loss	$ 2.3	$ 0.7	$ 8.9	$ 6.4