Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

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No definition available.

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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.

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No definition available.

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- Definition

This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to intangibles acquired in connection with a business combination for which the initial accounting was incomplete.

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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.

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No definition available.

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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.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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No definition available.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Business Ink Acquisition (Details Textual) - Business Ink $ in Millions		3 Months Ended	6 Months Ended
	Feb. 28, 2018 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2018 Segment
Business Acquisition [Line Items]
Business acquisition date			Feb. 28, 2018
Business acquisition, cash consideration	$ 70.0
Decrease in goodwill		$ (4.5)
Number of reportable segments \| Segment			1
Client contracts
Business Acquisition [Line Items]
Adjustments to increase acquired intangible asset		$ 4.3
Weighted-average life	13 years
Client contracts \| Minimum
Business Acquisition [Line Items]
Estimated lives assigned to acquired assets	4 months
Client contracts \| Maximum
Business Acquisition [Line Items]
Estimated lives assigned to acquired assets	15 years
Software
Business Acquisition [Line Items]
Estimated lives assigned to acquired assets	4 years