Other Financial Statement Details (Tables)

12 Months Ended

Mar. 31, 2017

Accounts Receivable, Net [Abstract]

Accounts Receivable Schedule

Accounts receivable consists of the following (amounts in thousands):

	March 31,
	2017		2016
Trade accounts receivable	$	473,238	$	289,013
Other	7,219		3,710
Total accounts receivable, gross	480,457		292,723
Less allowance for doubtful accounts	2,084		2,540
Total accounts receivable, net	$	478,373	$	290,183

Schedule of Inventory, Current

The components of inventories consist of the following (amounts in thousands):

	March 31,
	2017		2016
Raw materials	$	14,430	$	12,179
Work in process	268,281		208,283
Finished goods	134,491		86,353
Total inventories	$	417,202	$	306,815

Property, Plant and Equipment

Property, plant and equipment consists of the following (amounts in thousands):

	March 31,
	2017		2016
Land	$	73,447	$	63,907
Building and building improvements	499,668		458,379
Machinery and equipment	1,774,920		1,645,617
Projects in process	104,318		99,370
Total property, plant and equipment, gross	2,452,353		2,267,273
Less accumulated depreciation and amortization	1,769,015		1,657,877
Total property, plant and equipment, net	$	683,338	$	609,396