Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Goodwill [Line Items]
Goodwill, Gross	$ 846,023	$ 842,471
Goodwill, Impaired, Accumulated Impairment Loss	(213,585)	(206,000)
Goodwill	632,438	636,471
Goodwill, Acquired During Period	3,552
Goodwill, Impairment Loss	(7,585)	0	0
Shared Mail
Goodwill [Line Items]
Goodwill, Gross	721,384	721,384
Goodwill, Impaired, Accumulated Impairment Loss	(187,200)	(187,200)
Goodwill	534,184	534,184
Goodwill, Acquired During Period	0
Goodwill, Impairment Loss	0
Neighborhood Targeted
Goodwill [Line Items]
Goodwill, Gross	5,325	5,325
Goodwill, Impaired, Accumulated Impairment Loss	(3,985)	0
Goodwill	1,340	5,325
Goodwill, Acquired During Period	0
Goodwill, Impairment Loss	3,985
Free Standing Inserts (FSI)
Goodwill [Line Items]
Goodwill, Gross	22,357	22,357
Goodwill, Impaired, Accumulated Impairment Loss	0	0
Goodwill	22,357	22,357
Goodwill, Acquired During Period	0
Goodwill, Impairment Loss	0
International, Digital Media and Services
Goodwill [Line Items]
Goodwill, Gross	96,957	93,405
Goodwill, Impaired, Accumulated Impairment Loss	(22,400)	(18,800)
Goodwill	74,557	74,605
Goodwill, Acquired During Period	3,552
Goodwill, Impairment Loss	$ 3,600