Concentration of Business (Tables)

6 Months Ended

Sep. 30, 2018

Risks and Uncertainties [Abstract]

Schedules of Revenue Concentration of Risk

The Company sells its products throughout the US and to foreign customers, with concentrations as follows:

	Three Months Ended September 30,						Six Months Ended September 30,
	2018			2017			2018			2017
International Net Sales	$	190,320		$	179,783		$	299,207		$	268,787
% of Net Sales	37.9		%	37.3		%	39.8		%	38.8		%
Net Sales in Foreign Currencies	$	162,587		$	160,195		$	227,013		$	209,427
% of Net Sales	32.4		%	33.2		%	30.2		%	30.3		%

Schedule of long-lived assets, which consist of property and equipment, by major country

Long-lived assets, which consist of net property and equipment, was as follows:

	September 30, 2018		March 31, 2018
US	$	199,192	$	203,956
All other countries*	16,528		16,206
Total	$	215,720	$	220,162

*No single foreign country's net property and equipment comprised 10.0% or more of the Company's total net property and equipment as of September 30, 2018 and March 31, 2018.