Benefit Plans - Net Periodic Benefit Table (Details) (USD $)	3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended		12 Months Ended	6 Months Ended	12 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2012 Pension Plans	Jun. 30, 2011 Pension Plans	Jun. 30, 2012 Pension Plans	Jun. 30, 2011 Pension Plans	Jun. 30, 2011 Dex Media Pension Plan	Jun. 30, 2012 Dex Media Pension Plan	Jun. 30, 2011 Dex Media Pension Plan	Dec. 31, 2011 Dex Media Pension Plan	Jun. 30, 2012 Dex One Pension Benefit Equalization Plan	Dec. 31, 2011 Dex One Pension Benefit Equalization Plan	Jun. 30, 2012 Dex Media Pension Plan and Dex One Pension Benefit Equalization Plan	Jun. 30, 2012 Dex Media Pension Plan and Dex One Pension Benefit Equalization Plan	Dec. 31, 2011 Dex Media Pension Plan and Dex One Pension Benefit Equalization Plan
Net Periodic Benefit Credit [Abstract]
Interest cost	$ 2,547,000	$ 3,164,000	$ 5,347,000	$ 6,354,000
Expected return on plan assets	(3,097,000)	(3,727,000)	(6,709,000)	(7,250,000)
Settlement loss	1,540,000	403,000	1,540,000	403,000	400,000		400,000				1,500,000	1,500,000
Amortization of net loss	125,000	0	384,000	0
Net periodic benefit cost (credit)	1,115,000	(160,000)	562,000	(493,000)
Assumptions Used in Net Periodic Benefit Expense Calculations [Abstract]
Discount Rate						4.22%		4.38%	4.25%	4.51%
Expected Return on Plan Assets												7.50%	8.00%
Pension Plans Employer Contributions [Abstract]
Contributions by Employer	2,300,000	1,400,000	9,300,000	12,800,000
Estimated Total Employer Contributions for Current Fiscal Year	$ 16,300,000		$ 16,300,000