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Geographic Information - Long-Lived Assets (Details) - USD ($) $ in Thousands	Oct. 31, 2018	Jan. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 735,443	$ 546,609
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	661,942	479,996
Ireland
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	57,771	52,904
Other countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 15,730	$ 13,709

X

- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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- Details

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