Disposal of Building.

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Proceeds for Sale of Building .

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General corporate costs resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

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Information technology services cost resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

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Medical Insurance cost resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

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Other program cost resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

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Shared Service Centers cost resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

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Transaction and Financial Fee

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

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The cash inflow from a debt funding received on a regular basis with maturities ranging from 5-10 years.

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Direct costs arising from transactions with related parties who are not affiliates or joint Ventures. These costs are categorized as cost of goods sold.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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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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The cash outflow to pay off borrowing used to receive debt funding on a regular basis with maturities ranging from 5-10 years.

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RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Related Party Transaction [Line Items]
Sale of notes	$ 0.0	$ 0.0	$ 575.0
Purchase of notes	114.2	0.0	0.0
Affiliates of Platinum
Related Party Transaction [Line Items]
Sale of notes			50.0
Purchase of notes			50.0
Affiliates of Platinum \| Corporate Advisory Services [Member]
Related Party Transaction [Line Items]
Transaction and financial fee			22.2
Affiliates of Platinum \| Corporate Advisory Services [Member] \| Geist
Related Party Transaction [Line Items]
Acquisition cost		1.3
Affiliates of Platinum \| Corporate Advisory Services [Member] \| General and Administrative Expense [Member]
Related Party Transaction [Line Items]
Related Party Costs	5.0	5.0
Affiliates of Platinum \| Corporate Advisory Services [Member] \| Selling, General and Administrative Expenses [Member]
Related Party Transaction [Line Items]
Related Party Costs			15.0
Charges related to other legal and consulting services	0.4	0.9
Affiliates of Platinum \| Corporate Advisory Services [Member] \| Sale of Critical Power Business [Member]
Related Party Transaction [Line Items]
Transaction and financial fee			12.5
Affiliates of Platinum \| Corporate Advisory Services [Member] \| Net Proceeds Received from 2022 Notes [Member]
Related Party Transaction [Line Items]
Transaction and financial fee			4.3
Affiliates of Platinum \| Corporate Advisory Services [Member] \| Purchase of Energy Labs, Inc During 2017 [Member]
Related Party Transaction [Line Items]
Transaction and financial fee			1.4
Affiliates of Platinum \| Corporate Advisory Services [Member] \| Fees and Expense Reimbursement [Member]
Related Party Transaction [Line Items]
Transaction and financial fee			4.0
Affiliates of Platinum \| Corporate Advisory Services [Member] \| Other Deductions, Net [Member]
Related Party Transaction [Line Items]
Transaction and financial fee			12.5
Affiliates of Emerson
Related Party Transaction [Line Items]
Sale of building		2.8
Received indemnification payments		16.3
Information technology services	0.3	1.4	19.9
Medical insurance			3.6
Other programs		0.4	1.1
Shared service centers			13.5
General corporate costs	$ 0.1	$ 0.8	0.6
JV Holdings
Related Party Transaction [Line Items]
Cash dividends paid			$ 1,024.0