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Summary of Significant Accounting Policies - Computation of Basic and Diluted Earnings Per Share (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended 4 Months Ended 12 Months Ended
Sep. 07, 2013
Jun. 15, 2013
Mar. 23, 2013
Sep. 08, 2012
Jun. 16, 2012
Mar. 24, 2012
Dec. 28, 2013
Dec. 29, 2012
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Accounting Policies [Abstract]                      
Net earnings attributable to Wolverine World Wide, Inc. $ 54.4 $ 17.9 $ 29.8 $ 32.7 $ 20.5 $ 31.2 $ (1.7) $ (3.7) [1] $ 100.4 $ 80.7 $ 123.3
Numerator:                      
Adjustment for earnings allocated to nonvested restricted common stock                 (2.3) (1.7) (2.6)
Net earnings used to calculate basic earnings per share                 98.1 79.0 120.7
Adjustment for earnings reallocated to nonvested restricted common stock                 0.1 0.1 0.1
Net earnings used to calculate diluted earnings per share                 $ 98.2 $ 79.1 $ 120.8
Denominator:                      
Weighted average shares outstanding                 100,253,617 97,632,336 97,821,198
Adjustment for nonvested restricted common stock                 (3,308,162) (2,757,836) (2,865,082)
Shares used to calculate basic earnings per share                 96,945,455 94,874,500 94,956,116
Effect of dilutive stock options                 1,993,343 2,154,152 2,501,224
Shares used to calculate diluted earnings per share                 98,938,798 97,028,652 97,457,340
Net earnings per share:                      
Basic (in dollars per share) $ 0.55 [2] $ 0.18 [2] $ 0.30 [2] $ 0.34 [2] $ 0.21 [2] $ 0.33 [2] $ (0.02) [2] $ (0.04) [1],[2] $ 1.01 $ 0.84 $ 1.27
Diluted (in dollars per share) $ 0.54 [2] $ 0.18 [2] $ 0.30 [2] $ 0.33 [2] $ 0.21 [2] $ 0.32 [2] $ (0.02) [2] $ (0.04) [1],[2] $ 0.99 $ 0.81 $ 1.24
[1] The results for the fourth quarter of fiscal 2012 reflect the inclusion of the PLG business, acquired in the fourth quarter of fiscal 2012.
[2] Earnings per share amounts are based on each quarter's calculation and may not equal the amount calculated for the year.