Lease Obligations (Future Minimum Rental Payments of Non-cancelable Leases With Terms In Excess of One Year) (Details) (USD $) In Millions, unless otherwise specified	Dec. 29, 2012	Dec. 31, 2011
Leases [Abstract]
2013, capital leases	$ 75.5
2014, capital leases	72.9
2015, capital leases	71.3
2016, capital leases	66.0
2017, capital leases	60.3
Thereafter, capital leases	393.4
Total minimum lease payments, capital leases	739.4
Less amounts representing interest, capital leases	(291.6)
Present value of net minimum lease payments, capital leases	447.8
Less current obligations	(36.2)	(29.2)
Long-term obligations	411.6	404.7
2013, operating leases	478.8
2014, operating leases	455.4
2015, operating leases	403.5
2016, operating leases	360.2
2017, operating leases	307.3
Thereafter, operating leases	2,079.0
Total minimum lease payments, operating leases	$ 4,084.2