Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Segment reporting information profit (loss)
Revenues	$ 958,450		$ 950,662		$ 1,895,947		$ 1,860,025
EBIT	234,129		229,989		460,450		426,878
Reconciling items:
Interest, net	(41,895)	[1]	(48,996)	[1]	(85,612)	[1]	(97,006)	[1]
Unallocated corporate expenses	(45,458)		(53,129)		(102,062)		(95,022)
Restructuring charges	(8,299)		(19,031)		(18,140)		(19,031)
Other expense	0		0		(61,657)		(25,121)
Income from continuing operations before income taxes	138,477		108,833		192,979		190,698
Small & Medium Business Solutions
Segment reporting information profit (loss)
Revenues	524,454		542,554		1,058,749		1,084,366
EBIT	183,230		177,593		368,387		343,441
North America Mailing
Segment reporting information profit (loss)
Revenues	371,194		392,197		752,221		781,033
EBIT	156,781		157,518		317,119		305,976
International Mailing
Segment reporting information profit (loss)
Revenues	153,260		150,357		306,528		303,333
EBIT	26,449		20,075		51,268		37,465
Enterprise Business Solutions
Segment reporting information profit (loss)
Revenues	223,037		241,383		444,744		461,736
EBIT	32,970		37,033		64,603		68,353
Production Mail
Segment reporting information profit (loss)
Revenues	111,756		134,422		216,972		243,875
EBIT	10,558		15,787		18,295		23,619
Presort Services
Segment reporting information profit (loss)
Revenues	111,281		106,961		227,772		217,861
EBIT	22,412		21,246		46,308		44,734
Digital Commerce Solutions
Segment reporting information profit (loss)
Revenues	210,959		166,725		392,454		313,923
EBIT	$ 17,929		$ 15,363		$ 27,460		$ 15,084

[1] Includes financing interest expense and other interest expense, net.