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Goodwill and Other Intangibles Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	4 Months Ended		12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets				$ 68.6	$ 7.1	$ 5.1
Indefinite-lived intangibles	$ 604.5	$ 678.5	$ 685.4	604.5	678.5	685.4
Amortization expense				9.4	$ 14.0	15.6
Cushe [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets						$ 2.6
Stride Rite [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangibles	7.9			7.9
Sperry [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets				68.6
Indefinite-lived intangibles	518.2			$ 518.2
Indefinite-lived Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets	$ 68.6
Indefinite-lived Intangible Assets [Member] | Stride Rite [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets		$ 7.1	$ 2.5

X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
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-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

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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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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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