Long-Term Debt - Redemption (Details) (Senior Subordinated Notes, Dex One Senior Subordinated Notes)	12 Months Ended
Dec. 31, 2012
2013
Debt Instrument, Redemption [Line Items]
Senior subordinated notes redemption price (percentage of face value)	101.00%
2014 and thereafter
Debt Instrument, Redemption [Line Items]
Senior subordinated notes redemption price (percentage of face value)	100.00%

Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed

No definition available.

Name:	dexo_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed
Namespace Prefix:	dexo_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration