Accounts Receivable (Schedule of Performing and Nonperforming Finance and Contract Receivables) (Details) (USD $) In Millions	Jul. 02, 2011	Jan. 01, 2011
Financing Receivables	$ 672.1	$ 582.5
Contract Receivables	193.2	168.9
Performing Receivables [Member]
Financing Receivables	663.2	575.1
Contract Receivables	192.6	168.1
Nonperforming Receivables [Member]
Financing Receivables	8.9	7.4
Contract Receivables	$ 0.6	$ 0.8