Inventories (Tables)

12 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Summary Of Net Inventories

	March 31,
	2018		2017
Raw materials	$	92,216	$	85,604
Work-in-process	136,068		107,177
Finished goods	185,950		167,913
Total	$	414,234	$	360,694