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Short-term and Long-term Debt - Short-term and Long-term Debt (Detail) - USD ($) $ in Millions	Jan. 02, 2016	Jan. 03, 2015
Schedule Of Debt Instruments [Line Items]
Other debt	$ 30.1	$ 69.3
Long-term debt including current maturities	880.1	919.3
Less: notes payable	(18.4)	(56.6)
Total long-term debt	861.7	862.7
Long-term debt including current maturities	880.1	919.3
5.50% Unsecured Notes Due 2017 [Member]
Schedule Of Debt Instruments [Line Items]
Unsecured notes	150.0	150.0
4.25% Unsecured Notes Due 2018 [Member]
Schedule Of Debt Instruments [Line Items]
Unsecured notes	250.0	250.0
6.70% Unsecured Notes Due 2019 [Member]
Schedule Of Debt Instruments [Line Items]
Unsecured notes	200.0	200.0
6.125% Unsecured Notes Due 2021 [Member]
Schedule Of Debt Instruments [Line Items]
Unsecured notes	$ 250.0	$ 250.0

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- Definition

Includes both short term and long term debt.

+ References

No definition available.

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Schedule Of Debt Instruments [Line Items]

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: 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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-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
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-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5

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+ References

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-Name Accounting Standards Codification
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

+ References

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-Name Accounting Standards Codification
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Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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