Segment and Geographic Information - Revenue and Operating Profit (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Revenue	$ 261,072	$ 247,047	$ 500,938	$ 475,738
Gross profit	128,588	127,252	247,695	250,782
Industrial Inkjet
Segment Reporting Information [Line Items]
Revenue	156,434	141,693	298,643	264,956
Gross profit	$ 54,983	$ 52,510	$ 104,690	$ 101,580
Gross profit percentages	35.10%	37.10%	35.10%	38.30%
Productivity Software
Segment Reporting Information [Line Items]
Revenue	$ 41,612	$ 39,063	$ 85,387	$ 74,121
Gross profit	$ 29,181	$ 29,168	$ 60,594	$ 54,764
Gross profit percentages	70.10%	74.70%	71.00%	73.90%
Fiery
Segment Reporting Information [Line Items]
Revenue	$ 63,026	$ 66,291	$ 116,908	$ 136,661
Gross profit	$ 45,467	$ 46,239	$ 84,222	$ 95,937
Gross profit percentages	72.10%	69.80%	72.00%	70.20%