Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Segment reporting information profit (loss)
Revenues	$ 835,886	$ 880,891	$ 1,680,475	$ 1,771,572
EBIT	202,961	231,911	404,661	461,063
Reconciling items:
Interest, net	(34,294)	(38,839)	(68,510)	(81,673)
Unallocated corporate expenses	(48,777)	(51,921)	(106,544)	(102,724)
Restructuring charges and asset impairments, net	(26,076)	(14,350)	(33,009)	(14,269)
Acquisition and disposition-related expenses	(40)	(10,483)	(3,160)	(10,483)
Other income (expense), net	(536)	93,135	(536)	93,135
Income from continuing operations before income taxes	93,238	209,453	192,902	345,049
Provision for income taxes	33,394	52,351	70,418	102,898
Loss from discontinued operations, net of tax	(1,660)	(739)	(1,660)	(582)
Net income	58,184	156,363	120,824	241,569
North America Mailing
Segment reporting information profit (loss)
Revenues	322,068	356,791	671,794	718,665
EBIT	142,227	159,392	298,142	323,057
International Mailing
Segment reporting information profit (loss)
Revenues	106,338	110,610	210,097	226,783
EBIT	12,781	14,122	24,632	25,846
Small & Medium Business Solutions
Segment reporting information profit (loss)
Revenues	428,406	467,401	881,891	945,448
EBIT	155,008	173,514	322,774	348,903
Production Mail
Segment reporting information profit (loss)
Revenues	95,874	97,731	183,299	197,234
EBIT	12,914	10,028	19,738	19,060
Presort Services
Segment reporting information profit (loss)
Revenues	115,765	113,922	243,161	235,453
EBIT	21,214	23,544	50,124	51,038
Enterprise Business Solutions
Segment reporting information profit (loss)
Revenues	211,639	211,653	426,460	432,687
EBIT	34,128	33,572	69,862	70,098
Software Solutions
Segment reporting information profit (loss)
Revenues	90,464	99,041	168,386	185,278
EBIT	10,151	16,158	7,579	20,291
Global Ecommerce
Segment reporting information profit (loss)
Revenues	105,377	77,966	203,738	153,352
EBIT	3,674	3,056	4,446	11,202
Digital Commerce Solutions
Segment reporting information profit (loss)
Revenues	195,841	177,007	372,124	338,630
EBIT	13,825	19,214	12,025	31,493
Other
Segment reporting information profit (loss)
Revenues	0	24,830	0	54,807
EBIT	$ 0	$ 5,611	$ 0	$ 10,569

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