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Segment Information (Adjusted Depreciation and Amortization and COVID-19 Related Costs) (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Depreciation and amortization	$ 47.6	$ 40.1
Adjusted depreciation and amortization	10.1	10.7
COVID-19 related costs	10.4
Corporate and reconciling items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted depreciation and amortization	10.1	10.7
COVID-19 related costs	10.4	0.0
Purchase accounting and related adjustments | Corporate and reconciling items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Depreciation and amortization	$ (37.5)	$ (29.4)

X

- Definition

The amount of depreciation and amortization as presented on the statement of operations, less the depreciation and amortization related to the non-cash fair value adjustments to property and equipment and intangible assets acquired in the acquisition of businesses, which are included in purchase accounting and related adjustments.

+ References

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (e)
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-Publisher FASB
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-Topic 230
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-Section 45
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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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- Definition

Amount, before deduction of insurance proceeds, of loss recognized in the income statement for an event or transaction that is unusual in nature or infrequent in occurrence, or both.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 20
-Section 50
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