Long-Term Debt And Borrowing Arrangements (Schedule Of Long-Term Debt) (Detail Section)	9 Months Ended
Sep. 30, 2018 USD ($)
Floating Rate Term Loan Due March Two Thousand Nineteen [Member]
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis	200 basis points
Long Term Borrowings [Member] \| Five And One Over Four Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.25%
Long Term Borrowings [Member] \| Five and One over Eight Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.125%
Long Term Borrowings [Member] \| Five And One Over Two Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.50%
Long Term Borrowings [Member] \| Six And Three Over Eight Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.375%
Loans Payable [Member] \| Floating Rate Term Loan Due February Two Thousand Twenty Five [Member]
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis	200 basis points
Percentage Of Margin Aggregate Interest Rate	4.25%
Debt Instrument, Basis Spread on Variable Rate	3.67%
Derivative, Amount of Hedged Item	$ 700,000,000
Bank Overdraft [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Interest Rate During Period	3.25%

Percentage Of Margin Aggregate Interest Rate.

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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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.

+ References

No definition available.

+ Details

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- Definition

Amount of the hedged item as of the balance sheet date related to the derivative. For example, the hedged balance on a debt instrument.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

The effective interest rate during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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