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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Percentage of principal amount of debt redeemed.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Weighted average interest rate of long-term debt outstanding.

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Indebtedness divided by net capital.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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LONG-TERM DEBT LIABILITIES - Senior Debt (Details) - USD ($) $ in Millions	Nov. 17, 2017	Dec. 31, 2017	Mar. 03, 2017	Dec. 31, 2016	Nov. 01, 2016
Debt Instrument [Line Items]
Weighted average interest rate under the senior debt		4.20%		4.50%
New Credit Facility, Amount Outstanding					$ 540.0
Additional Tranche - CBS Radio Facility			$ 500.0
Senior Debt Obligations
Debt Instrument [Line Items]
Consolidated Leverage Ratio		3.2
Senior Debt Obligations \| Through December 31, 2017 [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Consolidated Leverage Ratio		4
Senior Debt Obligations \| ThroughDecember312018Member [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Consolidated Leverage Ratio		4.5
Senior Debt Obligations \| New Revolver [Member]
Debt Instrument [Line Items]
Undrawn amount of the Revolver		$ 105.1
Commitment fee	0.50%
New Credit Facility, Amount Outstanding	$ 250.0
Senior Debt Obligations \| New Revolver [Member] \| Libor Rate Plus
Debt Instrument [Line Items]
Variable rate	2.25%
Senior Debt Obligations \| New Revolver [Member] \| Prime Rate Plus
Debt Instrument [Line Items]
Variable rate	1.25%
Senior Debt Obligations \| New Term B Loan [Member]
Debt Instrument [Line Items]
New Credit Facility, Amount Outstanding	$ 1,330.0
DebtInstrumentAnnualPrincipalPayment	1.00%
Senior Debt Obligations \| New Term B Loan [Member] \| Libor Rate Plus
Debt Instrument [Line Items]
Variable rate	2.75%
Senior Debt Obligations \| New Term B Loan [Member] \| Federal Rate Plus
Debt Instrument [Line Items]
Variable rate	0.50%
Senior Debt Obligations \| New Term B Loan [Member] \| Base Rate Plus
Debt Instrument [Line Items]
Variable rate	1.75%
Senior Debt Obligations \| New Term B Loan [Member] \| Base Rate Libor Plus
Debt Instrument [Line Items]
Variable rate	1.00%
Former Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Credit Facility paid off	$ 17.5
Former Facility \| Term Loan B
Debt Instrument [Line Items]
Credit Facility paid off	$ 458.0