Revenues, Depreciation/Amortization and Segment Profit by Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Segment Reporting Information [Line Items]
Revenues from external customers	$ 482,522	$ 518,585
Intersegment revenues	32,500	27,500
Depreciation and amortization	13,287	14,710
Segment profit (loss)	41,700	48,900
Shared Mail
Segment Reporting Information [Line Items]
Revenues from external customers	327,116	328,070
Intersegment revenues	4,400	4,500
Depreciation and amortization	6,800	8,300
Segment profit (loss)	38,900	42,400
Neighborhood Targeted
Segment Reporting Information [Line Items]
Revenues from external customers	23,296	72,207
Intersegment revenues	18,000	13,000
Depreciation and amortization	1,200	1,100
Segment profit (loss)	(4,400)	(1,600)
Free Standing Inserts (FSI)
Segment Reporting Information [Line Items]
Revenues from external customers	85,661	76,293
Intersegment revenues	10,100	10,000
Depreciation and amortization	3,500	3,200
Segment profit (loss)	11,100	5,400
International, Digital Media and Services
Segment Reporting Information [Line Items]
Revenues from external customers	46,449	42,015
Intersegment revenues	0	0
Depreciation and amortization	1,800	2,100
Segment profit (loss)	$ (3,900)	$ 2,700