Average amortization period for deferred contract costs.

No definition available.

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- Definition

The percentage likelihood above which it is considered more-likely-than-not that a tax benefit will be sustained upon ultimate settlement with a taxing authority.

+ References

No definition available.

+ Details

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of loss from the write-down 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

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 842
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Balance Type:	credit
Period Type:	instant

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

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- 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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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)			12 Months Ended
SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)	Nov. 30, 2019	Nov. 30, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2019
Property, Plant and Equipment [Line Items]
Amortization period for deferred contract costs			5 years
Goodwill impairment	$ 0	$ 0		$ 0
More-likely-than-not benefit likelihood percentage being realized upon ultimate settlement with taxing authority resulting from sustainability of tax examination			50.00%
Advertising costs			$ 6,700,000	$ 6,900,000	$ 6,100,000
Right of use assets			58,273,000			$ 41,800,000
Total short and long-term lease liabilities			$ 68,495,000			$ 54,200,000
Computer Equipment
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful lives			3 years
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful lives			5 years
Minimum \| Internal Use Software
Property, Plant and Equipment [Line Items]
Useful life of capitalized software			3 years
Maximum \| Internal Use Software
Property, Plant and Equipment [Line Items]
Useful life of capitalized software			5 years