Segment Information, Geographic Regions, and Major Customers - Summary of Operating Segment Profit (Gross Profit), Excluding Stock-Based Compensation Expense by Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Revenue	$ 248,359	$ 245,575	$ 724,097	$ 725,358
Industrial Inkjet [Member]
Segment Reporting Information [Line Items]
Revenue	142,930	143,004	407,886	408,926
Gross profit	$ 53,392	$ 50,433	$ 154,972	$ 141,927
Gross profit percentages	37.40%	35.30%	38.00%	34.70%
Productivity Software [Member]
Segment Reporting Information [Line Items]
Revenue	$ 37,171	$ 39,663	$ 111,292	$ 108,554
Gross profit	$ 26,667	$ 30,041	$ 81,431	$ 80,961
Gross profit percentages	71.70%	75.70%	73.20%	74.60%
Fiery [Member]
Segment Reporting Information [Line Items]
Revenue	$ 68,258	$ 62,908	$ 204,919	$ 207,878
Gross profit	$ 47,885	$ 45,362	$ 143,821	$ 147,938
Gross profit percentages	70.20%	72.10%	70.20%	71.20%