Accounts Receivable (Schedule Of Performing And Nonperforming Finance And Contract Receivables) (Detail) (USD $) In Millions, unless otherwise specified	Sep. 29, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]
Finance Receivables	$ 823.0	$ 733.2
Contract Receivables	258.1	218.9
Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance Receivables	809.9	721.7
Contract Receivables	257.3	218.2
Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance Receivables	13.1	11.5
Contract Receivables	$ 0.8	$ 0.7