Leases and Commitments (Minimum Rental Commitments and Purchase Obligations) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012
2013, Leases	$ 114.9
2014, Leases	94.0
2015, Leases	75.8
2016, Leases	64.7
2017, Leases	41.7
Later years, Leases	148.5
Sublease rental income, Leases	(18.2)
Total, Leases	521.4
2013, Purchase Obligations	423.4
2014, Purchase Obligations	264.5
2015, Purchase Obligations	171.8
2016, Purchase Obligations	104.8
2017, Purchase Obligations	105.4
Later years, Purchase Obligations	2.2
Total, Purchase Obligations	$ 1,072.1