Segment Financial Information (Schedule Of Total Revenues From External Customers And Long-Lived Assets) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended									12 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
Segment Reporting Information [Line Items]
Revenues from external customers	$ 1,219,872	[1]	$ 1,300,978	$ 1,288,464	$ 1,146,763	$ 1,276,823	$ 1,208,402	$ 1,089,833	$ 966,763	$ 4,956,077	$ 4,541,821	$ 3,820,574
Domestic
Segment Reporting Information [Line Items]
Revenues from external customers										4,622,680	4,179,369	3,473,986
Long-lived assets	1,716,034					1,685,097				1,716,034	1,685,097	1,658,210
Foreign
Segment Reporting Information [Line Items]
Revenues from external customers										320,413	332,577	350,239
Long-lived assets	135,912					151,289				135,912	151,289	136,188
Operating Segments | Title Insurance And Services
Segment Reporting Information [Line Items]
Revenues from external customers										4,606,088	4,200,520	3,541,119
Operating Segments | Title Insurance And Services | Domestic
Segment Reporting Information [Line Items]
Revenues from external customers										4,283,067	3,865,480	3,188,989
Long-lived assets	1,610,310					1,580,399				1,610,310	1,580,399	1,553,839
Operating Segments | Title Insurance And Services | Foreign
Segment Reporting Information [Line Items]
Revenues from external customers										320,413	332,577	350,239
Long-lived assets	135,912					151,289				135,912	151,289	136,188
Operating Segments | Specialty Insurance
Segment Reporting Information [Line Items]
Revenues from external customers										339,613	315,171	286,982
Operating Segments | Specialty Insurance | Domestic
Segment Reporting Information [Line Items]
Revenues from external customers										339,613	313,889	284,997
Long-lived assets	$ 105,724					$ 104,698				$ 105,724	$ 104,698	$ 104,371

[1] Net income for the quarter ended December 31, 2013 includes a net reduction of $4.4 million related to certain items that should have been recorded in a prior period. These items decreased diluted net income per share attributable to the Company’s stockholders by $0.04 for the quarter.