Other Financial Statements Details (Tables)

9 Months Ended

Dec. 31, 2018

Accounts Receivable, Net [Abstract]

Schedule of accounts receivable

Accounts receivable consists of the following (in millions):

	December 31, 2018		March 31, 2018
Trade accounts receivable	$	539.3	$	557.8
Other	7.5		8.1
Total accounts receivable, gross	546.8		565.9
Less allowance for doubtful accounts	2.0		2.2
Total accounts receivable, net	$	544.8	$	563.7

Schedule of components of inventories

The components of inventories consist of the following (in millions):

	December 31, 2018		March 31, 2018
Raw materials	$	81.4	$	26.0
Work in process	392.8		311.8
Finished goods	228.3		138.4
Total inventories	$	702.5	$	476.2

Schedule of property, plant and equipment

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

	December 31, 2018		March 31, 2018
Land	$	82.3	$	73.4
Building and building improvements	634.3		508.5
Machinery and equipment	2,197.1		1,943.9
Projects in process	129.0		118.3
Total property, plant and equipment, gross	3,042.7		2,644.1
Less accumulated depreciation and amortization	2,003.0		1,876.2
Total property, plant and equipment, net	$	1,039.7	$	767.9