Segment Information (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) segment	Jun. 30, 2014 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments \| segment			3
Segment reporting information profit (loss)
Revenues	$ 880,891	$ 958,450	$ 1,771,572	$ 1,895,947
EBIT	231,911	234,129	461,063	460,450
Reconciling items:
Interest, net	(38,839)	(41,895)	(81,673)	(85,612)
Unallocated corporate expenses	(51,921)	(45,458)	(102,724)	(102,062)
Restructuring charges and asset impairments, net	(14,350)	(8,299)	(14,269)	(18,140)
Acquisition-related compensation expense	(10,483)	0	(10,483)	0
Other income (expense), net	93,135	0	93,135	(61,657)
Income from continuing operations before income taxes	209,453	138,477	345,049	192,979
Small & Medium Business Solutions
Segment reporting information profit (loss)
Revenues	467,401	524,454	945,448	1,058,749
EBIT	173,514	183,230	348,903	368,387
North America Mailing
Segment reporting information profit (loss)
Revenues	356,791	371,194	718,665	752,221
EBIT	159,392	156,781	323,057	317,119
International Mailing
Segment reporting information profit (loss)
Revenues	110,610	153,260	226,783	306,528
EBIT	14,122	26,449	25,846	51,268
Enterprise Business Solutions
Segment reporting information profit (loss)
Revenues	211,653	223,037	432,687	444,744
EBIT	33,572	32,970	70,098	64,603
Production Mail
Segment reporting information profit (loss)
Revenues	97,731	111,756	197,234	216,972
EBIT	10,028	10,558	19,060	18,295
Presort Services
Segment reporting information profit (loss)
Revenues	113,922	111,281	235,453	227,772
EBIT	23,544	22,412	51,038	46,308
Digital Commerce Solutions
Segment reporting information profit (loss)
Revenues	177,007	177,473	338,630	332,723
EBIT	19,214	13,626	31,493	21,475
Software Solutions
Segment reporting information profit (loss)
Revenues	99,041	108,820	185,278	200,194
EBIT	16,158	9,877	20,291	11,699
Global Ecommerce
Segment reporting information profit (loss)
Revenues	77,966	68,653	153,352	132,529
EBIT	3,056	3,749	11,202	9,776
Other
Segment reporting information profit (loss)
Revenues	24,830	33,486	54,807	59,731
EBIT	$ 5,611	$ 4,303	$ 10,569	$ 5,985

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