Business Acquisitions - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
May 24, 2019	Jan. 31, 2020
Business Acquisition [Line Items]
Cash consideration transferred		$ 7,073
Broadsmart Global, Inc.
Business Acquisition [Line Items]
Cash consideration transferred	$ 7,100
Cash consideration transferred, net of cash assumed	600
Intangible assets	6,107
Broadsmart Global, Inc. \| Customer relationships
Business Acquisition [Line Items]
Intangible assets	5,800
Broadsmart Global, Inc. \| Trade names
Business Acquisition [Line Items]
Intangible assets	$ 300

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472

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- Definition

The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
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