Consolidated Statement of Shareholders' Equity Statement - USD ($) $ in Millions	Total		Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]
Beginning Balance at Dec. 30, 2017	$ 955.2		$ 106.4	$ 149.2	$ 992.2	$ (75.2)	$ (223.0)	$ 5.6
Net earnings attributable to Wolverine World Wide, Inc.	102.0
Less: net earnings attributable to noncontrolling interests	0.1
Net earnings (loss)	102.1
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	0.4
Other comprehensive income (loss) attributable to noncontrolling interest	0.0
Other Comprehensive Income (Loss), Net of Tax	0.4
Shares issued, net of shares forfeited under stock incentive plans	(1.8)		(0.1)	(1.7)
Shares issued for stock options exercised, net	16.4		1.0	15.4
Stock-based compensation expense	14.2			14.2
Cash dividends declared	15.2				15.2
Issuance of treasury shares	0.1			0.0			0.1
Purchase of common stock for treasury	49.9						49.9
Purchases of shares under employee stock plans	6.2						6.2
Change in accounting principle	(8.1)	[1]			8.1	(8.1)
Ending Balance at Jun. 30, 2018	1,015.3		107.3	177.1	1,087.1	(82.9)	(279.0)	5.7
Beginning Balance at Mar. 31, 2018	957.3		106.8	163.1	1,039.4	(84.1)	(273.7)	5.8
Net earnings attributable to Wolverine World Wide, Inc.	55.3
Less: net earnings attributable to noncontrolling interests	0.2
Net earnings (loss)	55.5
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	1.2
Other comprehensive income (loss) attributable to noncontrolling interest	(0.3)
Other Comprehensive Income (Loss), Net of Tax	0.9
Shares issued for stock options exercised, net	8.3		0.5	7.8
Stock-based compensation expense	6.3			6.3
Cash dividends declared	7.6				7.6
Issuance of treasury shares	0.0			0.1			0.1
Purchase of common stock for treasury	5.3						5.3
Purchases of shares under employee stock plans	0.1						0.1
Change in accounting principle	0.0
Ending Balance at Jun. 30, 2018	1,015.3		107.3	177.1	1,087.1	(82.9)	(279.0)	5.7
Beginning Balance at Dec. 29, 2018	991.6		107.6	201.4	1,169.7	(88.3)	(404.4)	5.6
Net earnings attributable to Wolverine World Wide, Inc.	80.7
Less: net earnings attributable to noncontrolling interests	0.1
Net earnings (loss)	80.8
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	2.3
Other comprehensive income (loss) attributable to noncontrolling interest	0.1
Other Comprehensive Income (Loss), Net of Tax	2.4
Shares issued, net of shares forfeited under stock incentive plans	(3.9)		0.0	(3.9)
Shares issued for stock options exercised, net	5.8		0.4	5.4
Stock-based compensation expense	10.2			10.2
Cash dividends declared	17.6				17.6
Issuance of treasury shares	0.2			(0.1)			0.1
Purchase of common stock for treasury	207.4						207.4
Purchases of shares under employee stock plans	12.6						12.6
Capital contribution from noncontrolling interest	5.7							5.7
Ending Balance at Jun. 29, 2019	855.2		108.0	213.2	1,232.8	(86.0)	(624.3)	11.5
Beginning Balance at Mar. 30, 2019	917.3		107.9	208.0	1,201.2	(85.7)	(520.0)	5.9
Net earnings attributable to Wolverine World Wide, Inc.	40.2
Less: net earnings attributable to noncontrolling interests	0.0
Net earnings (loss)	40.2
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(0.3)
Other comprehensive income (loss) attributable to noncontrolling interest	(0.1)
Other Comprehensive Income (Loss), Net of Tax	(0.4)
Shares issued, net of shares forfeited under stock incentive plans	(0.1)		0.0	(0.1)
Shares issued for stock options exercised, net	1.7		0.1	1.6
Stock-based compensation expense	3.6			3.6
Cash dividends declared	8.6				8.6
Issuance of treasury shares	0.2			(0.1)			0.1
Purchase of common stock for treasury	104.3						104.3
Purchases of shares under employee stock plans	0.1						0.1
Capital contribution from noncontrolling interest	5.7							5.7
Ending Balance at Jun. 29, 2019	$ 855.2		$ 108.0	$ 213.2	$ 1,232.8	$ (86.0)	$ (624.3)	$ 11.5

[1] ⁽⁴⁾  Amounts reclassified to retained earnings upon adoption of ASU 2017-12, Targeted Improvements to Accounting for Hedging Activities and ASU 2018-02, Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.