Pension Plans and Postretirement Benefits (Funded Status) (Details) - USD ($) $ in Millions	Jan. 01, 2017	Jan. 03, 2016
Domestic
Funded Status and Amounts Recognized in Balance Sheets [Abstract]
Funded status	$ 46.2	$ 70.0
Amounts recognized in the consolidated balance sheets:
Prepaid pension asset long-term	88.5	111.0
Accrued pension obligation long-term	(34.5)	(33.8)
Accrued pension obligation short-term	(2.6)	(2.2)
Other long-term liabilities	(5.2)	(5.0)
Accrued benefit cost	46.2	70.0
Amounts recognized in accumulated other comprehensive loss:
Prior service credit	(30.7)	(36.7)
Net amount recognized, before tax effect	421.5	398.6
Net amount recognized, before tax effect	390.8	361.9
Foreign
Funded Status and Amounts Recognized in Balance Sheets [Abstract]
Funded status	(9.3)	(12.8)
Amounts recognized in the consolidated balance sheets:
Prepaid pension asset long-term	0.0	0.0
Accrued pension obligation long-term	(9.3)	(12.8)
Accrued pension obligation short-term	0.0	0.0
Other long-term liabilities	0.0	0.0
Accrued benefit cost	(9.3)	(12.8)
Amounts recognized in accumulated other comprehensive loss:
Prior service credit	(0.5)	(0.3)
Net amount recognized, before tax effect	10.3	13.0
Net amount recognized, before tax effect	$ 9.8	$ 12.7