Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation Expense - Awards Earned and Released (Details)

v3.7.0.1
Stock-Based Compensation Expense - Awards Earned and Released (Details) - Performance Shares [Member] - shares
shares in Thousands
12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of Shares Earned 0 31,658 19,446
Number of Shares Withheld for Tax Obligation 0 8,669 4,284
Number of Shares Released 0 22,989 15,162