Receivables (Components Of Current Finance And Contract Receivables) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Jan. 01, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables, net of unearned finance charges of $7.6 million and $7.0 million	$ 285.3	$ 222.4
Contract receivables, net of unearned finance charges of $9.1 million and $6.0 million	51.2	46.8
Total current finance and contract receivables	336.5	269.2
Allowances for finance receivables	(8.1)	(7.1)
Allowances for contract receivables	(1.5)	(1.2)
Total	(9.6)	(8.3)
Total current finance and contract receivables - net	326.9	260.9
Finance receivables - net	277.2	215.3
Contract receivables - net	49.7	45.6
Current [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unearned finance charges, finance receivables	7.6	7.0
Unearned finance charges, contract receivables	$ 9.1	$ 6.0

An amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date(s) within one year of the balance sheet date or the normal operating cycle, whichever is longer. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 9

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Section S99

-Paragraph 1

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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 43

-Section A

-Paragraph 4

-Chapter 3

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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