Divestitures (Details) $ in Millions	12 Months Ended
	Dec. 30, 2017 USD ($)
Stride Rite [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Consideration	$ 16.9
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	0.2
Disposal Group, Including Discontinued Operation, Inventory	17.1
Disposal Group, Including Discontinued Operation, Assets and Liabilities	16.7
Disposal Group, Including Discontinued Operation, Other Assets, Current	1.4
Disposal Group, Including Discontinued Operation, Accrued Liabilities	1.8
Sebago [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Consideration	14.3
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	8.4
Disposal Group, Including Discontinued Operation, Intangible Assets, Noncurrent	5.4
Disposal Group Including Discontinued Operation Amortizable Intangibles Noncurrent	0.2
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	5.6
Department of Defense Contract Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Consideration	7.8
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	(1.6)
Disposal Group, Including Discontinued Operation, Inventory	5.6
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	9.1
Disposal Group, Including Discontinued Operation, Other Assets, Current	0.5
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent	$ 3.0