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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Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Related Party Transaction (Details) - Magnet [Domain] - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019
Licensed Technology
Related Party Transaction [Line Items]
Related Party Transaction, Purchases from Related Party	$ 1.5	$ 3.5	$ 5.0
Maximum \| Service Agreements [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Purchases from Related Party			$ 2.0