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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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=108330185&loc=d3e2207-128464

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

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Business Combinations - Intangible Assets Acquired (Details) - USD ($) $ in Millions		3 Months Ended
	Nov. 15, 2018	Mar. 31, 2019
Acquired Finite-Lived Intangible Assets
Weighted-average Estimated Useful Life		14 years
Customer relationships
Acquired Finite-Lived Intangible Assets
Weighted-average Estimated Useful Life		14 years
Unpatented technology
Acquired Finite-Lived Intangible Assets
Weighted-average Estimated Useful Life		12 years
Trademarks and trade names
Acquired Finite-Lived Intangible Assets
Weighted-average Estimated Useful Life		14 years
VRV
Acquired Finite-Lived Intangible Assets
Weighted-average Estimated Useful Life	9 years
Finite lived intangible assets acquired	$ 66.6
VRV \| Customer relationships
Acquired Finite-Lived Intangible Assets
Weighted-average Estimated Useful Life	12 years
Finite lived intangible assets acquired	$ 28.1
VRV \| Unpatented technology
Acquired Finite-Lived Intangible Assets
Weighted-average Estimated Useful Life	12 years
Finite lived intangible assets acquired	$ 15.9
VRV \| Other Identifiable intangible assets
Acquired Finite-Lived Intangible Assets
Weighted-average Estimated Useful Life	4 years
Finite lived intangible assets acquired	$ 11.8
VRV \| Trademarks and trade names
Acquired Finite-Lived Intangible Assets
Weighted-average Estimated Useful Life	14 years
Finite lived intangible assets acquired	$ 10.8