Leases And Rental Commitments (Future Minimum Rental Commitments) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 31, 2010
Leases, Operating [Abstract]
2012	$ 28.1
2013	21.7
2014	17.6
2015	13.7
2016	11.6
Thereafter	22.1
Rental expenses charged to operations	$ 36.7	$ 32.2	$ 24.6