Earnings Per Share (Computation of Basic and Diluted Earnings Per Share) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 07, 2013	Sep. 08, 2012	Sep. 07, 2013	Sep. 08, 2012
Numerator:
Net earnings attributable to Wolverine World Wide, Inc.	$ 54.4	$ 32.7	$ 102.1	$ 84.4
Adjustment for earnings allocated to non-vested restricted common stock	(1.1)	(0.5)	(2.0)	(1.5)
Net earnings used in calculating basic earnings per share	53.3	32.2	100.1	82.9
Adjustment for earnings reallocated from non-vested restricted common stock	0.1		0.1	0.1
Net earnings used in calculating diluted earnings per share	$ 53.4	$ 32.2	$ 100.2	$ 83.0
Denominator:
Weighted average shares outstanding (shares)	100,474,793	97,743,844	100,087,863	97,333,545
Adjustment for non-vested restricted common stock (shares)	(3,391,901)	(2,758,969)	(3,280,184)	(2,784,802)
Shares used in calculating basic earnings per share (shares)	97,082,892	94,984,875	96,807,679	94,548,743
Effect of dilutive stock options (shares)	2,121,186	2,244,358	1,852,797	2,252,554
Shares used in calculating diluted earnings per share (shares)	99,204,078	97,229,233	98,660,476	96,801,297
Net earnings per share:
Basic (dollars per share)	$ 0.55	$ 0.34	$ 1.03	$ 0.88
Diluted (dollars per share)	$ 0.54	$ 0.33	$ 1.02	$ 0.86