XML 77 R61.htm IDEA: XBRL DOCUMENT v3.4.0.3
Retirement Plans (Schedule of Assumptions Used) (detail)
12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Schedule of Assumbptions Used [Abstract]    
Discount rate - benefit obligation 4.36% 4.15%
Discount rate - pension expense 4.15% 4.85%
Expected return on plan assets 7.25% 7.25%
Rate of compensation increase 3.00% 3.00%