Discontinued Operations (Details) (USD $)	3 Months Ended								12 Months Ended				1 Months Ended		12 Months Ended			1 Months Ended	12 Months Ended			3 Months Ended	12 Months Ended			1 Months Ended			12 Months Ended		1 Months Ended	12 Months Ended							12 Months Ended			0 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended		1 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Appraisal Management [Member]	Sep. 30, 2011 Marketing Services Unit [Member]	Sep. 30, 2011 Discontinued Operations Marketing [Member] Marketing Services Unit [Member]	Dec. 31, 2013 Discontinued Operations Marketing [Member] Data and Analytics [Member]	Dec. 31, 2012 Discontinued Operations Marketing [Member] Data and Analytics [Member]	Dec. 31, 2011 Discontinued Operations Marketing [Member] Data and Analytics [Member]	Sep. 30, 2011 Discsontinued Operations Consumer [Member] Consumer Services [Member]	Dec. 31, 2013 Discsontinued Operations Consumer [Member] Data and Analytics [Member]	Dec. 31, 2012 Discsontinued Operations Consumer [Member] Data and Analytics [Member]	Dec. 31, 2011 Discsontinued Operations Consumer [Member] Data and Analytics [Member]	Sep. 30, 2012 Discontinued Operations Appraisal [Member]	Dec. 31, 2013 Discontinued Operations Appraisal [Member]	Dec. 31, 2012 Discontinued Operations Appraisal [Member]	Dec. 31, 2011 Discontinued Operations Appraisal [Member]	Sep. 30, 2011 Discontinued Operations Appraisal [Member] 8741 Services, Management Services [Member]	Dec. 31, 2013 Discontinued Operations Appraisal [Member] Technology and Processing Solutions [Member]	Dec. 31, 2012 Discontinued Operations Appraisal [Member] Technology and Processing Solutions [Member]	Dec. 31, 2013 Discontinued Operations Appraisal [Member] Asset Management and Processing Solutions [Member]	Dec. 31, 2012 Discontinued Operations Appraisal [Member] Asset Management and Processing Solutions [Member]	Sep. 30, 2011 Discontinued Operations Transportation [Member] 4700 Transportation Services [Member]	Dec. 31, 2013 Asset Management and Processing Solutions [Member]	Dec. 31, 2012 Asset Management and Processing Solutions [Member]	Dec. 31, 2011 Asset Management and Processing Solutions [Member]	Dec. 31, 2013 Asset Management and Processing Solutions [Member] Technology and Processing Solutions [Member]	Dec. 31, 2012 Asset Management and Processing Solutions [Member] Technology and Processing Solutions [Member]	Dec. 31, 2013 Asset Management and Processing Solutions [Member]	Dec. 31, 2012 Asset Management and Processing Solutions [Member]	Dec. 31, 2013 Components Total [Member]	Dec. 31, 2012 Components Total [Member]	Dec. 31, 2011 Components Total [Member]	Aug. 31, 2012 Disposition of Transportation Services Business [Member]	Dec. 31, 2012 Disposition of Transportation Services Business [Member]	Sep. 30, 2011 Total Impairment Charges [Member]	Dec. 31, 2012 Non Cash Impairment [Member] Marketing Services Unit [Member] Internally Developed Software [Member]	Dec. 31, 2012 Non Cash Impairment [Member] Marketing Services Unit [Member] Intangible Assets [Member]	Sep. 30, 2011 Allowance for Doubtful Accounts [Member] Marketing Services Unit [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill, Impairment Loss									$ 51,800,000
(Loss)/gain from sale of discontinued operations, net of tax									(7,008,000)	3,841,000	0																															11,000,000
Gain/(loss) from sale of discontinued operations, net of tax	(211,000)	(5,052,000)	0	(1,745,000)	(5,435,000)	12,264,000	466,000	(3,454,000)																																			3,900,000
Noncontrolling Interest, Ownership Percentage by Parent	100.00%	60.00%							100.00%			100.00%
Discontinued operations, non-cash impairment charge													1,800,000	123,300,000				2,600,000				13,900,000				8,300,000					3,600,000													137,700,000	10,600,000	17,100,000	8,900,000
Prior period adjustment, increase to provision for income taxes, discontinued operations										4,100,000
Statement of Financial Position [Abstract]
Current assets															177,000	204,000			149,000	251,000			200,000					337,000				35,863,000						50,500,000	36,389,000	51,292,000
Property and equipment, net	(3,600,000)				(5,400,000)				(3,600,000)	(5,400,000)					0	0			0	0			0					0				3,594,000						5,420,000	3,594,000	5,420,000
Goodwill and other identifiable intangible assets, net															0	0			0	0			0					0				97,577,000						149,959,000	97,577,000	149,959,000
Other assets															0	0			0	0			0					0				463,000						964,000	463,000	964,000
Total assets															177,000	204,000			149,000	251,000							200,000	337,000									137,497,000	206,843,000	138,023,000	207,635,000
Total liabilities															935,000	776,000			88,000	691,000							3,695,000	1,920,000									25,591,000	32,637,000	30,309,000	36,024,000
Income Statement [Abstract]
Operating revenue															0	0	27,387,000		0	55,773,000	94,755,000				69,890,000				0	25,138,000				394,484,000	266,887,000	378,685,000			266,887,000	459,596,000	586,516,000
(Loss)/income from discontinued operations before income taxes															(2,129,000)	(122,000)	(164,094,000)		196,000	5,026,000	(10,453,000)				(20,178,000)				(6,194,000)	(21,375,000)				48,579,000	2,243,000	50,787,000			(5,884,000)	34,316,000	(146,146,000)
(Benefit)/provision for income taxes															(814,000)	4,891,000	(61,947,000)		75,000	15,000	(2,205,000)				(6,172,000)				(2,368,000)	(5,188,000)				19,890,000	12,687,000	16,975,000			9,580,000	16,693,000	(50,434,000)
(Loss)/income, net of tax									(15,464,000)	17,623,000	(95,712,000)
(Loss)/income from discontinued operations, net of tax	$ (39,070,000)	$ 8,331,000	$ 11,579,000	$ 3,696,000	$ 4,914,000	$ 810,000	$ 13,830,000	$ (1,931,000)	$ (15,464,000)	$ 17,623,000	$ (95,712,000)				$ (1,315,000)	$ (5,013,000)	$ (102,147,000)		$ 121,000	$ 5,011,000	$ (8,248,000)		$ (3,826,000)	$ (16,187,000)	$ (14,006,000)							$ (10,444,000)	$ 33,812,000	$ 28,689,000					$ (15,464,000)	$ 17,623,000	$ (95,712,000)