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Segment and Related Information - Reconciliation of Assets by Operating Segment and Geographic Region to Total Assets (Detail) - USD ($)
$ in Millions

Jun. 30, 2019

Jun. 30, 2018

Segment Reporting, Asset Reconciling Item [Line Items]

Assets

$ 1,562.7

$ 1,175.3

^[1]

Operating segments and geographic region [Member]

Segment Reporting, Asset Reconciling Item [Line Items]

Assets

1,370.9

964.0

Cash, cash equivalents, and marketable investment securities [Member]

Segment Reporting, Asset Reconciling Item [Line Items]

Assets

^[2]

$ 191.8

$ 211.3

[1]	Amounts adjusted due to the adoption of Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers (Topic 606). See Note 1 to the financial statements of this report for additional information.
[2]	The Company manages cash, cash equivalents, and marketable investment securities at the consolidated level for all segments

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(11))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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- Definition

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+ References

No definition available.

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