XML 73 R56.htm IDEA: XBRL DOCUMENT v3.7.0.1
Income Taxes (Detail Textuals) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2014
Income Tax Disclosure [Abstract]        
Income tax rate 38.11% 38.43% 35.41%  
Non-deductible expenses     $ 2.1 $ 2.1