Consolidated Statements of Comprehensive Income - USD ($) $ in Millions		12 Months Ended
		Dec. 28, 2019		Dec. 29, 2018		Dec. 30, 2017
Net earnings (loss)		$ 128.9		$ 200.3		$ (0.7)
Other comprehensive income (loss) before reclassifications	[1]	(8.3)		(15.8)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments				(20.5)		21.1
Unrealized gain (loss) arising during the period, net of taxes of $0.2, $1.3 and $(7.0)		0.9		14.4		(16.0)
Reclassification adjustments included in net earnings (loss), net of taxes of $(2.2), $1.3 and $(0.3)		(7.6)		2.5		(0.7)
Net actuarial loss arising during the period, net of taxes of $(3.9), $(2.6) and $(3.3)		(14.6)		(9.9)		(6.0)
Amortization of prior actuarial losses, net of taxes of $0.5, $0.7 and $3.5		2.1		2.6		6.3
Curtailment gain arising during the period, net of taxes $0.8 in 2017		0.0		0.0		1.5
Settlement loss, net of taxes of $1.5 in 2018		0.0		5.7		0.0
Other comprehensive income (loss)		(13.8)		(5.2)		6.2
Less: other comprehensive income (loss) attributable to noncontrolling interests		0.0		(0.2)		0.3
Other comprehensive income (loss) attributable to Wolverine World Wide, Inc.		(13.8)	[1]	(5.0)	[1]	5.9
Comprehensive income		115.1		195.1		5.5
Less: comprehensive income (loss) attributable to noncontrolling interests		0.4		0.0		(0.7)
Comprehensive income attributable to Wolverine World Wide, Inc.		114.7		195.1		$ 6.2
Derivative [Member]
Other comprehensive income (loss), net of tax:
Other comprehensive income (loss) attributable to Wolverine World Wide, Inc.	[1]	$ (6.7)		$ 16.9

[1] Other comprehensive income (loss) is reported net of taxes and noncontrolling interest.