Aggregate obligations outstanding.

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Monthly Management Fee Expense During Fourth Year Under Agreement

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Monthly Management Fee Expense During Third Year Under Agreement

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Number of Radio Stations

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Option Indexed to Issuer's Equity, Aggregate Strike Price

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Option Indexed to Issuer's Equity, Period to Exercise Option

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Option Indexed to Issuer's Equity, Settlement Period

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- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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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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Commitments and Contingencies (Detail) $ in Millions		1 Months Ended	3 Months Ended
Commitments and Contingencies (Detail) $ in Millions	Jan. 02, 2014 USD ($) station	Aug. 31, 2015 lawsuit	Mar. 31, 2017 USD ($)
ABS Entertainment, Inc, et al v Cumulus Media Inc and ABS Entertainment, Inc v Cumulus Media Inc \| Pending Litigation
Supply Commitment [Line Items]
Number of punitive class action lawsuits \| lawsuit		2
Exit Plan \| Contract Termination \| Accounts Payable and Accrued Expenses
Supply Commitment [Line Items]
Current restructuring liabilities			$ 0.2
Exit Plan \| Contract Termination \| Non-current liabilities
Supply Commitment [Line Items]
Noncurrent restructuring liabilities			1.1
Merlin Media LLC
Supply Commitment [Line Items]
Monthly management fees, third year	$ 0.5
Monthly management fees, fourth year	$ 0.6
Merlin Media LLC \| Put Option
Supply Commitment [Line Items]
Number of radio stations \| station	2
Amount under option agreement to settle management fees	$ 71.0
Period after commencement date to settle management fees	4 years
Period to exercise option	10 days
Merlin Media LLC \| Call Option \| Maximum
Supply Commitment [Line Items]
Amount under option agreement to settle management fees	$ 70.0
Merlin Media LLC \| Call Option \| Minimum
Supply Commitment [Line Items]
Amount under option agreement to settle management fees	$ 50.0
Nielson Audio
Supply Commitment [Line Items]
Remaining aggregate obligation under the agreements with Nielsen Audio			$ 35.5