Goodwill and Intangible Assets (Changes in Carrying Amount of Goodwill, by Segment) (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2020
Goodwill [Line Items]
Goodwill beginning balance	$ 686,214	$ 687,256	$ 686,992
Purchase Accounting Adjustments			(92)
Foreign exchange rate changes	266	(264)	(686)
Goodwill ending balance	686,480	686,992	686,214
Medical and Healthcare [Member]
Goodwill [Line Items]
Goodwill beginning balance	310,210	310,210	310,210
Purchase Accounting Adjustments			0
Foreign exchange rate changes	0	0	0
Goodwill ending balance	310,210	310,210	310,210
Financial Services [Member]
Goodwill [Line Items]
Goodwill beginning balance	376,004	377,046	376,782
Purchase Accounting Adjustments			(92)
Foreign exchange rate changes	266	(264)	(686)
Goodwill ending balance	$ 376,270	$ 376,782	$ 376,004

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.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
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Amount before 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 16
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