Segment and Geographic Information - Tangible and Intangible Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Goodwill	$ 395,421	$ 403,278
Identified intangible assets, net	97,536	123,008
Tangible assets, net of liabilities	274,399	255,025
Net tangible and intangible assets	767,356	781,311
Operating Segment | Industrial Inkjet
Segment Reporting Information [Line Items]
Goodwill	150,682	154,373
Identified intangible assets, net	52,216	66,547
Tangible assets, net of liabilities	240,548	221,933
Net tangible and intangible assets	443,446	442,853
Operating Segment | Productivity Software
Segment Reporting Information [Line Items]
Goodwill	170,632	174,644
Identified intangible assets, net	28,272	36,379
Tangible assets, net of liabilities	(22,908)	(27,755)
Net tangible and intangible assets	175,996	183,268
Operating Segment | Fiery
Segment Reporting Information [Line Items]
Goodwill	74,107	74,261
Identified intangible assets, net	17,048	20,082
Tangible assets, net of liabilities	11,030	11,286
Net tangible and intangible assets	102,185	105,629
Corporate and Unallocated Net Assets
Segment Reporting Information [Line Items]
Goodwill	0	0
Identified intangible assets, net	0	0
Tangible assets, net of liabilities	45,729	49,561
Net tangible and intangible assets	$ 45,729	$ 49,561