Segment Information, Geographic Regions, and Major Customers - Tangible and Intangible Assets, Net of Liabilities, Summarized by Operating Segment (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Goodwill	$ 387,001	$ 359,841
Identified intangible assets, net	126,567	122,997
Tangible assets, net of liabilities	325,104	343,177
Total stockholders' equity	838,672	826,015
Operating Segment [Member] | Industrial Inkjet [Member]
Segment Reporting Information [Line Items]
Goodwill	149,353	141,068
Identified intangible assets, net	72,290	84,465
Tangible assets, net of liabilities	219,554	153,699
Total stockholders' equity	441,197	379,232
Operating Segment [Member] | Productivity Software [Member]
Segment Reporting Information [Line Items]
Goodwill	164,525	155,475
Identified intangible assets, net	32,294	38,440
Tangible assets, net of liabilities	(35,624)	(27,646)
Total stockholders' equity	161,195	166,269
Operating Segment [Member] | Fiery [Member]
Segment Reporting Information [Line Items]
Goodwill	73,123	63,298
Identified intangible assets, net	21,983	92
Tangible assets, net of liabilities	11,833	33,966
Total stockholders' equity	106,939	97,356
Corporate and Unallocated Net Assets [Member]
Segment Reporting Information [Line Items]
Tangible assets, net of liabilities	129,341	183,158
Total stockholders' equity	$ 129,341	$ 183,158