Segment Information and Geographic Data - Tangible and Intangible Assets, Net of Liabilities, Summarized by Operating Segment (Detail) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Goodwill	$ 406,876	$ 403,278
Identified intangible assets, net	111,812	123,008
Tangible assets, net of liabilities	262,954	255,025
Net tangible and intangible assets	781,642	781,311
Operating Segment [Member] | Industrial Inkjet [Member]
Segment Reporting Information [Line Items]
Goodwill	156,200	154,373
Identified intangible assets, net	60,611	66,547
Tangible assets, net of liabilities	231,795	221,933
Net tangible and intangible assets	448,606	442,853
Operating Segment [Member] | Productivity Software [Member]
Segment Reporting Information [Line Items]
Goodwill	176,284	174,644
Identified intangible assets, net	32,751	36,379
Tangible assets, net of liabilities	(32,018)	(27,755)
Net tangible and intangible assets	177,017	183,268
Operating Segment [Member] | Fiery [Member]
Segment Reporting Information [Line Items]
Goodwill	74,392	74,261
Identified intangible assets, net	18,450	20,082
Tangible assets, net of liabilities	23,819	11,286
Net tangible and intangible assets	116,661	105,629
Corporate and Unallocated Net Assets [Member]
Segment Reporting Information [Line Items]
Tangible assets, net of liabilities	39,358	49,561
Net tangible and intangible assets	$ 39,358	$ 49,561