Other Financial Statement Details - Accounts Receivable (Details) - USD ($) $ in Millions	Jun. 30, 2019	Mar. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivable amounts	$ 939.8	$ 882.6
Less allowance for doubtful accounts	3.0	2.0
Total accounts receivable, net	936.8	880.6
Trade accounts receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivable amounts	932.1	875.8
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivable amounts	$ 7.7	$ 6.8

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

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Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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