Debt And Bank Credit Facilities (Details On The Senior Notes) (Details) - USD ($) $ in Millions	6 Months Ended
Jul. 02, 2016	Jan. 02, 2016
Debt Instrument [Line Items]
Senior Notes	$ 600.0
Fixed Rate Series 2011A
Debt Instrument [Line Items]
Stated rate, minimum	4.80%
Stated rate, maximum	5.00%
Fixed Rate Series 2011A
Debt Instrument [Line Items]
Stated rate, minimum	4.90%
Stated rate, maximum	5.10%
Senior Notes
Debt Instrument [Line Items]
Senior Notes	$ 600.0
Senior Notes \| Floating Rate Series 2007A
Debt Instrument [Line Items]
Senior Notes	$ 100.0
Effective interest rate	1.40%	1.10%
Senior Notes \| Fixed Rate Series 2011A
Debt Instrument [Line Items]
Senior Notes	$ 100.0
Debt instrument interest rate	4.10%
Senior Notes \| Fixed Rate Series 2011A
Debt Instrument [Line Items]
Senior Notes	$ 230.0
Senior Notes \| Fixed Rate Series 2011A
Debt Instrument [Line Items]
Senior Notes	$ 170.0

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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Contractual interest rate for funds borrowed, under the debt agreement.

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Maximum contractual interest rate for funds borrowed, under the debt agreement.

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Minimum contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16(a))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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