Incremental borrowing rate.

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Length of earnout period.

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Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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Amount of loss contingency liability.

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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 Acquisitions - 2017 Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Businesses purchased, net of cash acquired	$ 29,559	$ 19,932	$ 74,766
FreeFlow Print Server [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value discount rate	4.98%
FreeFlow Print Server [Member] \| Fiery Operating Segment [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Businesses purchased, net of cash acquired	$ 23,900
Acquisition date	Jan. 31, 2017
Incremental borrowing rate	4.98%
Total purchase price	$ 23,043
FreeFlow Print Server [Member] \| Fiery Operating Segment [Member] \| Paid at Closing [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Businesses purchased, net of cash acquired	5,900
FreeFlow Print Server [Member] \| Fiery Operating Segment [Member] \| Paid in July 2017 [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Businesses purchased, net of cash acquired	9,000
FreeFlow Print Server [Member] \| Fiery Operating Segment [Member] \| Payable in July 2018 [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Businesses purchased, net of cash acquired	$ 9,000
CRC [Member] \| Productivity Software [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition date	May 08, 2017
Generation Digital Solutions, Inc. [Member] \| Fiery Operating Segment [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition date	Aug. 14, 2017
Total purchase price	$ 6,924
Cash consideration	$ 3,200
Length of earnout period	6 months
Fair value of earnout	$ 3,600
Contingent liabilities, current	1,000
Contingent liabilities, noncurrent	$ 2,600
Generation Digital Solutions, Inc. [Member] \| Fiery Operating Segment [Member] \| Earnout [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value discount rate	2.83%
CRC and Escada [Member] \| Productivity Software [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Businesses purchased, net of cash acquired	$ 19,500
Total purchase price	20,045
Escada [Member] \| Productivity Software [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of earnout	$ 2,100
Escada [Member] \| Productivity Software [Member] \| Earnout [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value discount rate	2.97%