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Related Party Transactions - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Jun. 30, 2019
Related Party Transaction [Line Items]
Outstanding purchase order	$ 579.2		$ 579.2
Affiliated
Related Party Transaction [Line Items]
Outstanding purchase order	$ 134.0		$ 134.0
Ablecom Technology
Related Party Transaction [Line Items]
Related party, product sold percent	97.50%	94.80%	95.40%	95.30%
Ablecom Technology | Affiliated
Related Party Transaction [Line Items]
Outstanding purchase order	$ 49.4		$ 49.4		$ 31.0
Ablecom Technology | Charles Liang and wife | Investee
Related Party Transaction [Line Items]
Ownership percentage	10.50%		10.50%
Ablecom Technology | Steve Liang and other family members | Management and immediate family member of management
Related Party Transaction [Line Items]
Ownership percentage	28.80%		28.80%
Compuware
Related Party Transaction [Line Items]
Outstanding purchase order	$ 84.6		$ 84.6		$ 70.6

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- Definition

Related Party Ownership Percentage

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- Definition

Related Party Transaction, Product Purchase Percent

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- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

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No definition available.

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- Definition

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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No definition available.

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- Details

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- Details

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- Details

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- Details

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