Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Goodwill [Line Items]
Goodwill, Gross	$ 846,023		$ 846,023
Goodwill, Impairment Loss	0	0	0	(7,585)
Goodwill, Impaired, Accumulated Impairment Loss	(213,585)		(213,585)
Goodwill	632,438		632,438		632,438
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
Neighborhood Targeted
Goodwill [Line Items]
Goodwill, Gross	5,325		5,325
Goodwill, Impaired, Accumulated Impairment Loss	(3,985)		(3,985)
Goodwill	1,340		1,340
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
International, Digital Media and Services
Goodwill [Line Items]
Goodwill, Gross	96,957		96,957
Goodwill, Impaired, Accumulated Impairment Loss	(22,400)		(22,400)
Goodwill	$ 74,557		$ 74,557