XML 68 R56.htm IDEA: XBRL DOCUMENT v3.8.0.1
Earnings Per Share (Antidilutive Securities) (Details) - shares
shares in Millions
3 Months Ended 9 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Outstanding Stock Awards        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded from computation of earnings per share (in shares) 0.5 0.2 0.4 0.2