Goodwill (Carrying Amount of Goodwill by Operating Segment) (Detail) $ in Thousands	6 Months Ended
Jun. 30, 2018 USD ($)
Goodwill [Line Items]
Beginning balance	$ 1,113,005
Acquisitions	56,751
Foreign currency translation	(2,780)
Ending balance	1,166,976
Title Insurance and Services
Goodwill [Line Items]
Beginning balance	1,066,240
Acquisitions	56,751
Foreign currency translation	(2,780)
Ending balance	1,120,211
Specialty Insurance
Goodwill [Line Items]
Beginning balance	46,765
Acquisitions	0
Foreign currency translation	0
Ending balance	$ 46,765

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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