Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Segment and Geographic Information - Revenue and Long-Lived Assets by Geographic Region (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Revenue	$ 439,879	$ 433,316	$ 445,546	$ 422,164	$ 398,537	$ 383,929	$ 402,053	$ 385,322	$ 1,740,905	$ 1,569,841	$ 1,458,445
Long-lived assets	575,185				529,432				575,185	529,432	429,736
UNITED STATES
Segment Reporting Information [Line Items]
Revenue									1,300,000		1,200,000
Long-lived assets	331,800				320,500				331,800	320,500	306,600
North America
Segment Reporting Information [Line Items]
Revenue									1,353,032	1,277,165	1,182,629
Long-lived assets	333,526				322,267				333,526	322,267	308,469
Europe and other
Segment Reporting Information [Line Items]
Revenue									387,873	292,676	275,816
Long-lived assets	$ 241,659				$ 207,165				$ 241,659	$ 207,165	$ 121,267