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.

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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.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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

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The amount of inventory recognized as of the acquisition date.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisitions and Investments - NEVSCO (Details) - USD ($) $ in Thousands	1 Months Ended
	Dec. 31, 2017	Jun. 30, 2019	Sep. 30, 2018
Business Acquisition [Line Items]
Goodwill		$ 6,706,506	$ 6,664,272
NEVSCO
Business Acquisition [Line Items]
Purchase price in cash	$ 70,000
Goodwill	30,400
Estimated fair value of accounts receivable	8,500
Estimated fair value of inventory	6,700
Estimated fair value of accounts payable	2,900
Estimated fair value of intangible assets acquired	$ 29,800
Customer relationships \| NEVSCO
Business Acquisition [Line Items]
Weighted average useful life of intangible asset (in years)	15 years