XML 45 R34.htm IDEA: XBRL DOCUMENT v3.8.0.1
NET INCOME PER SHARE - Schedule of Computation of Basic and Diluted Net Income Per Share (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 9 Months Ended
Jan. 27, 2018
Jan. 28, 2017
Jan. 27, 2018
Jan. 28, 2017
Earnings Per Share [Abstract]        
Numerator - Net Income (Loss) $ (24.3) $ 23.7 $ 20.4 $ 69.7
Denominator for basic net income per share-weighted average shares outstanding and vested/unissued restricted stock awards (in shares) 37,292,934 37,217,302 37,275,041 37,297,757
Dilutive potential common shares-employee and director stock options, restricted stock awards and restricted stock units (in shares) 0 253,351 385,979 180,210
Denominator for diluted net income per share (in shares) 37,292,934 37,470,653 37,661,020 37,477,967
Net Income (Loss) per Share:        
Basic (in dollars per share) $ (0.65) $ 0.64 $ 0.54 $ 1.87
Diluted (in dollars per share) $ (0.65) $ 0.63 $ 0.54 $ 1.86