Income Taxes (Schedule Of Provision For Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2016	Jan. 01, 2016	Jan. 02, 2015
Income Tax Disclosure [Abstract]
Current	$ 34.0	$ 47.5	$ 45.7
Deferred	(14.3)	(23.0)	(11.7)
US Federal, Income tax provision	19.7	24.5	34.0
Current	3.5	5.7	7.7
Deferred	0.6	(2.8)	(0.9)
US State, Income tax provision	4.1	2.9	6.8
Current	28.8	25.4	25.3
Deferred	(8.1)	(21.7)	(14.0)
Foreign, Income tax provision	20.7	3.7	11.3
Income tax provision	$ 44.5	$ 31.1	$ 52.1
Effective tax rate	25.00%	20.00%	20.00%