XML 51 R41.htm IDEA: XBRL DOCUMENT v3.7.0.1
Earnings Per Share (Computation of Basic and Diluted Earnings Per Share) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jul. 01, 2017
Jun. 18, 2016
Jul. 01, 2017
Jun. 18, 2016
Numerator:        
Net earnings attributable to Wolverine World Wide, Inc. $ 20.7 $ 24.0 $ 37.4 $ 41.4
Adjustment for earnings allocated to non-vested restricted common stock (0.5) (0.5) (0.8) (0.9)
Net earnings used in calculating basic and diluted earnings per share $ 20.2 $ 23.5 $ 36.6 $ 40.5
Denominator:        
Weighted average shares outstanding 96.8 99.5 96.9 99.4
Adjustment for non-vested restricted common stock (2.2) (4.0) (2.3) (3.8)
Shares used in calculating basic earnings per share 94.6 95.5 94.6 95.6
Effect of dilutive stock options 1.6 0.6 1.5 0.5
Shares used in calculating diluted earnings per share 96.2 96.1 96.1 96.1
Net earnings per share:        
Basic $ 0.21 $ 0.25 $ 0.39 $ 0.42
Diluted $ 0.21 $ 0.24 $ 0.38 $ 0.42