Discontinued Operations and Dispositions - Amounts Applicable to Discontinued Operations in Income (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
Sep. 30, 2020	Sep. 30, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations, net of income taxes	$ 0.0	$ (6.0)
Gain (loss) per share from discontinued operations, basic (in usd per share)	$ 0	$ (0.13)
Gain (loss) per share from discontinued operations, diluted (in usd per share)	$ 0	$ (0.13)
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues		$ 85.5
Costs and expenses		(86.7)
Impairment of goodwill		(4.2)
Interest expense		(1.2)
Loss before income taxes		(6.6)
Income tax benefit		0.6
Loss from discontinued operations, net of income taxes		$ (6.0)
Gain (loss) per share from discontinued operations, basic (in usd per share)		$ (0.13)
Gain (loss) per share from discontinued operations, diluted (in usd per share)		$ (0.13)

Disposal Group, Including Discontinued Operation, Goodwill, Impairment Loss

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Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation.

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Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation.

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Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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Amount of costs of goods sold attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of interest expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

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Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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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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