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- Definition

Contract With Customer And Related Party, Liability

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- Definition

Contract With Customer And Related Party, Liability, Current

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- Definition

Contract With Customer And Related Party, Liability, Noncurrent

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- Definition

Contract With Customer, Liability, Customer Deposits, Current

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- Definition

Contract With Customer, Liability, Customer Deposits, Noncurrent

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- Definition

Contract With Customer, Liability, Deferred Revenue, Current

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- Definition

Contract With Customer, Liability, Deferred Revenue, Noncurrent

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- Definition

Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

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- Definition

Current regulatory liabilities generally represent obligations to make refunds to customers for various reasons including overpayment.

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- Definition

Noncurrent regulatory liabilities generally represent obligations to make refunds to customers for various reasons including overpayment.

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- Definition

Carrying amount as of the balance sheet date of obligations due all related parties.

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

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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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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Related Party Transactions (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended		12 Months Ended
	Feb. 16, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Related Party Transaction [Line Items]
Net services revenue, from related party		$ 141.9	$ 87.7	$ 278.1	$ 163.1
Accounts receivable, net - related party		40.3		40.3		$ 15.4
Accrued service costs, current		19.9		19.9		23.7
Customer deposits, current		7.3		7.3		0.0
Refund liabilities, current		0.1		0.1		0.5
Deferred revenue (contract liabilities), current		4.5		4.5		4.0
Current portion of customer liabilities		31.8		31.8		28.2
Deferred revenue (contract liabilities), non-current		17.4		17.4		11.5
Non-current portion of customer liabilities		17.4		17.4		11.5
Total customer liabilities		49.2		49.2		39.7
A&R MPSA Services
Related Party Transaction [Line Items]
Due to related parties		1.2		1.2		0.5
Investor
Related Party Transaction [Line Items]
Accounts receivable, net - related party		40.3		40.3		15.4
Accrued service costs, current		20.3		20.3		23.7
Customer deposits, current		0.0		0.0		0.0
Refund liabilities, current		0.1		0.1		0.5
Deferred revenue (contract liabilities), current		2.9		2.9		2.9
Current portion of customer liabilities		23.3		23.3		27.1
Refund liabilities, non-current		0.0		0.0		0.0
Customer deposits, non-current		0.0		0.0		0.0
Deferred revenue (contract liabilities), non-current		17.4		17.4		11.5
Non-current portion of customer liabilities		17.4		17.4		11.5
Total customer liabilities		$ 40.7		$ 40.7		$ 38.6
Redeemable Convertible Preferred Stock
Related Party Transaction [Line Items]
Preferred stock, dividend rate, percentage				8.00%		8.00%
TCP-ASC ACHI Series LLLP \| Redeemable Convertible Preferred Stock
Related Party Transaction [Line Items]
Preferred stock, dividend rate, percentage	8.00%			8.00%
TCP-ASC ACHI Series LLLP \| Redeemable Convertible Preferred Stock \| Investor
Related Party Transaction [Line Items]
Preferred stock, dividend rate, percentage	8.00%			8.00%