Consolidated Statements of Comprehensive Income - USD ($) $ in Millions		12 Months Ended
		Dec. 29, 2018		Dec. 30, 2017		Dec. 31, 2016
Net earnings (loss)		$ 200.3		$ (0.7)		$ 87.5
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments		(20.5)		21.1		(6.6)
Unrealized gain (loss) arising during the period, net of taxes of $1.3, $(7.0) and $1.9		14.4		(16.0)		3.5
Reclassification adjustments included in net earnings (loss), net of taxes of $(1.3), $(0.3) and $(1.7)		2.5		(0.7)		(4.7)
Net actuarial loss arising during the period, net of taxes of $(2.6), $(3.3) and $(11.2)		(9.9)		(6.0)		(20.8)
Amortization of prior actuarial losses, net of taxes of $0.7, $3.5 and $1.7		2.6		6.3		3.2
Amortization of prior service cost		0.0		0.0		0.1
Curtailment gain arising during the period, net of taxes $0.8 in 2017		0.0		1.5		0.0
Settlement loss (gain), net of taxes of $1.5 in 2018		5.7		0.0		(0.1)
Other comprehensive income (loss)		(5.2)		6.2		(25.4)
Less: other comprehensive income (loss) attributable to noncontrolling interests		(0.2)		0.3		(0.4)
Other comprehensive income (loss) attributable to Wolverine World Wide, Inc.		(5.0)	[1]	5.9	[1]	(25.0)
Comprehensive income		195.1		5.5		62.1
Less: comprehensive loss attributable to noncontrolling interest		0.0		(0.7)		(0.6)
Comprehensive income attributable to Wolverine World Wide, Inc.		195.1		6.2		$ 62.7
Derivative [Member]
Other comprehensive income (loss), net of tax:
Other comprehensive income (loss) attributable to Wolverine World Wide, Inc.	[1]	$ 16.9		$ (16.7)

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