Intangible Assets and Goodwill 3 (Details) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Dec. 31, 2012
Goodwill [Line Items]
Document Period End Date		Jun. 30, 2013
Goodwill, Gross			$ 2,284,603,000
Goodwill, Impairment Loss	(100,253,000)
Goodwill [Roll Forward]
Goodwill, beginning period		2,136,138,000
Other	(23,133,000)
Goodwill, ending period	2,012,752,000	2,012,752,000
Goodwill, Impaired, Accumulated Impairment Loss			148,465,000
North America Mailing [Member]
Goodwill [Line Items]
Goodwill, Gross			355,874,000
Goodwill [Roll Forward]
Goodwill, beginning period			355,874,000
Other	(2,980,000)
Goodwill, ending period	352,894,000	352,894,000	355,874,000
International Mailing [Member]
Goodwill [Line Items]
Goodwill, Gross			183,908,000
Goodwill [Roll Forward]
Goodwill, beginning period			183,908,000
Other	(6,271,000)
Goodwill, ending period	177,637,000	177,637,000	183,908,000
Small And Medium Business Solutions [Member]
Goodwill [Line Items]
Goodwill, Gross			539,782,000
Goodwill [Roll Forward]
Goodwill, beginning period			539,782,000
Other	(9,251,000)
Goodwill, ending period	530,531,000	530,531,000	539,782,000
Goodwill, Impaired, Accumulated Impairment Loss			0
Production Mail [Member]
Goodwill [Line Items]
Goodwill, Gross			131,866,000
Goodwill [Roll Forward]
Goodwill, beginning period			131,866,000
Other	(3,247,000)
Goodwill, ending period	128,619,000	128,619,000	131,866,000
Goodwill, Impaired, Accumulated Impairment Loss			0
Software [Member]
Goodwill [Line Items]
Goodwill, Gross			671,218,000
Goodwill [Roll Forward]
Goodwill, beginning period			671,218,000
Other	(9,168,000)
Goodwill, ending period	662,050,000	662,050,000	671,218,000
Goodwill, Impaired, Accumulated Impairment Loss			0
Management Services [Member]
Goodwill [Line Items]
Goodwill, Gross			488,399,000
Goodwill, Impairment Loss	(100,253,000)
Goodwill [Roll Forward]
Goodwill, beginning period			403,899,000
Other	(1,467,000)
Goodwill, ending period	302,179,000	302,179,000	403,899,000
Goodwill, Impaired, Accumulated Impairment Loss			84,500,000
Mail Services [Member]
Goodwill [Line Items]
Goodwill, Gross			259,105,000
Goodwill, Impairment Loss	0
Goodwill [Roll Forward]
Goodwill, beginning period			195,140,000
Other	0
Goodwill, ending period	195,140,000	195,140,000	195,140,000
Goodwill, Impaired, Accumulated Impairment Loss			63,965,000
Marketing Services [Member]
Goodwill [Line Items]
Goodwill, Gross			194,233,000
Goodwill [Roll Forward]
Goodwill, beginning period			194,233,000
Other	0
Goodwill, ending period	194,233,000	194,233,000	194,233,000
Goodwill, Impaired, Accumulated Impairment Loss			0
Enterprise Business Solutions [Member]
Goodwill [Line Items]
Goodwill, Gross			1,744,821,000
Goodwill, Impairment Loss	(100,253,000)
Goodwill [Roll Forward]
Goodwill, beginning period			1,596,356,000
Other	(13,882,000)
Goodwill, ending period	1,482,221,000	1,482,221,000	1,596,356,000
Goodwill, Impaired, Accumulated Impairment Loss			148,465,000
Management Services - North America [Member]
Goodwill [Line Items]
Goodwill, Fair Value	300,000,000	300,000,000
Goodwill, Carrying Value	398,000,000	398,000,000
Goodwill, Impairment Loss	$ (97,787,000)