Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details 4)

v3.8.0.1
Income Taxes (Details 4)
 12 Months Ended
Mar. 31, 2018
Minimum [Member] | Federal [Member]  
Income Tax Examination [Line Items]  
Open Tax Year 2014
Minimum [Member] | State and Local Jurisdiction [Member]  
Income Tax Examination [Line Items]  
Open Tax Year 2013
Minimum [Member] | Foreign Tax Authority [Member]  
Income Tax Examination [Line Items]  
Open Tax Year 2013
Maximum [Member] | Federal [Member]  
Income Tax Examination [Line Items]  
Open Tax Year 2017
Maximum [Member] | State and Local Jurisdiction [Member]  
Income Tax Examination [Line Items]  
Open Tax Year 2017
Maximum [Member] | Foreign Tax Authority [Member]  
Income Tax Examination [Line Items]  
Open Tax Year 2017