Inventory (Tables)

6 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Schedule of inventory

Inventories are stated at the lower of cost or net realizable value, using the first-in, first-out method, and are summarized below:

	September 30, 2017		April 1, 2017
Raw materials	$	36,597	$	35,364
Work in process		83,242		79,048
Finished goods		177,420		175,182
	$	297,259	$	289,594