Discontinued Operations and Assets Held for Sale (Details) (USD $)	3 Months Ended		12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring charges and asset impairments			$ (23,117,000)	$ (136,548,000)	$ (181,961,000)
Goodwill impairment	(18,315,000)	(130,150,000)	0	84,500,000	0
Assets	7,859,891,000	8,147,104,000	7,859,891,000	8,147,104,000	8,444,023,000
Liabilities	7,452,890,000	7,889,720,000	7,452,890,000	7,889,720,000
Asset Impairment Charges			5,000,000	5,000,000	5,000,000
International Mail Services
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue			135,222,000	155,378,000	164,898,000
Cost of revenue			120,251,000	142,165,000	163,818,000
SG&A			19,565,000	28,220,000	22,379,000
Restructuring charges and asset impairments			10,234,000	11,603,000	313,000
Goodwill impairment			18,315,000	45,650,000	0
Impairment on assets held for sale	6,941,000	0	6,941,000	0	0
Loss before taxes			(40,084,000)	(72,260,000)	(21,612,000)
Tax benefit			(15,003,000)	(23,025,000)	(7,828,000)
Net loss			(25,081,000)	(49,235,000)	(13,784,000)
Capital Services, net of tax
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net loss			34,312,000	266,159,000	(18,104,000)
Component Of Discontinued Operations Income Loss From Settlement Net Of Tax				264,000,000
Income (loss) from discontinued operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill impairment			18,000,000	46,000,000
Net loss			9,231,000	216,924,000	(31,888,000)
Assets	25,000,000		25,000,000
Liabilities	25,000,000		25,000,000
Asset Impairment Charges			$ 10,000,000	$ 12,000,000