Long-Term Debt (Schedule Of Financial Covenants Compliance Under The Revolving Credit Facility) (Details)	6 Months Ended
Jun. 30, 2015
Line of Credit Facility [Line Items]
Permitted first lien leverage ratio	521.00%
Maximum [Member] \| Requirement [Member]
Line of Credit Facility [Line Items]
Permitted first lien leverage ratio	750.00%

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.

No definition available.

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration