Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions		Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]
Beginning Balance at Jan. 02, 2016		$ 969.7	$ 103.9	$ 75.9	$ 950.8	$ (56.1)	$ (110.8)	$ 6.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings attributable to Wolverine World Wide, Inc.		87.7
Net earnings attributable to noncontrolling interests		(0.2)
Net earnings		87.5
Other comprehensive income (loss)		(25.0)
Other comprehensive income (loss) attributable to noncontrolling interest		(0.4)
Other comprehensive income (loss)		(25.4)
Shares issued under stock incentive plans net of forfeitures		0.1	(1.2)	1.3
Stock issued for stock options exercised, net		7.4	0.5	6.9
Stock-based compensation expense		22.8		22.8
Income tax benefits from stock incentive plans		(1.0)		(1.0)
Cash dividends declared		(23.4)			(23.4)
Issuance of treasury shares		1.1		0.1			1.2
Purchase of common stock for treasury		(61.9)					(61.9)
Purchases of shares under employee stock plans		(4.8)					(4.8)
Noncontrolling Interest, Increase from Subsidiary Equity Issuance		2.2						2.2
Ending Balance at Dec. 31, 2016		974.1	105.6	103.2	1,015.1	(81.1)	(176.3)	7.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings attributable to Wolverine World Wide, Inc.		0.3
Net earnings attributable to noncontrolling interests		(1.0)
Net earnings		(0.7)
Other comprehensive income (loss)	[1]	5.9
Other comprehensive income (loss) attributable to noncontrolling interest		0.3
Other comprehensive income (loss)		6.2
Shares issued under stock incentive plans net of forfeitures		0.2	(0.5)	(0.3)
Stock issued for stock options exercised, net		21.4	1.3	20.1
Stock-based compensation expense		25.4		25.4
Cash dividends declared		(23.2)			(23.2)
Issuance of treasury shares		1.1		0.2			0.9
Purchase of common stock for treasury		(42.3)					(42.3)
Purchases of shares under employee stock plans		(5.3)					(5.3)
Noncontrolling Interest, Increase from Subsidiary Equity Issuance		0.8						0.8
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests		(2.1)						(2.1)
Ending Balance at Dec. 30, 2017		955.2	106.4	149.2	992.2	(75.2)	(223.0)	5.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings attributable to Wolverine World Wide, Inc.		200.1
Net earnings attributable to noncontrolling interests		0.2
Net earnings		200.3
Other comprehensive income (loss)	[1]	(5.0)
Other comprehensive income (loss) attributable to noncontrolling interest		(0.2)
Other comprehensive income (loss)		(5.2)
Shares issued under stock incentive plans net of forfeitures		(1.9)	(0.2)	(1.7)
Stock issued for stock options exercised, net		24.0	1.4	22.6
Stock-based compensation expense		31.2		31.2
Cash dividends declared		(30.7)			(30.7)
Issuance of treasury shares		0.3		0.1			0.2
Purchase of common stock for treasury		(174.7)					(174.7)
Purchases of shares under employee stock plans		(6.9)					(6.9)
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification		0.0			8.1	(8.1)
Ending Balance at Dec. 29, 2018		$ 991.6	$ 107.6	$ 201.4	$ 1,169.7	$ (88.3)	$ (404.4)	$ 5.6

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