Business Acquisitions - Allocation of Purchase Price to Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 390,109	$ 403,278	$ 359,841
Adjusted initial preliminary purchase price allocations		700	800
Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life	1 year
Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life	16 years
Fiery
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 73,991	74,261	63,298
Fiery | FFPS
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill		6,590
Purchase Price Allocation		28,580
Net tangible assets (liabilities)		(5,537)
Total purchase price	23,100	23,043
Fiery | Generation Digital
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill		3,012
Purchase Price Allocation		7,222
Net tangible assets (liabilities)		(298)
Total purchase price		6,924
Productivity Software
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill	168,186	174,644	155,475
Productivity Software | CRC and Escada
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill		11,632
Purchase Price Allocation		23,783
Net tangible assets (liabilities)		(3,738)
Total purchase price		20,045
Productivity Software | Optitex
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill			28,147
Purchase Price Allocation			47,187
Net tangible assets (liabilities)			(11,924)
Total purchase price			35,263
Industrial Inkjet
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 147,932	$ 154,373	141,068
Industrial Inkjet | Rialco
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill			1,426
Purchase Price Allocation			5,603
Net tangible assets (liabilities)			5,177
Total purchase price			10,780
Purchasing agreement | Fiery | FFPS
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		10 years
Purchase Price Allocation, intangible assets		$ 9,330
Take-or-pay contract | Fiery | FFPS
Acquired Finite-Lived Intangible Assets [Line Items]
Purchase Price Allocation, intangible assets		$ 9,000
Take-or-pay contract | Fiery | FFPS | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		4 years
Customer relationships | Fiery | Generation Digital
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		8 years
Purchase Price Allocation, intangible assets		$ 3,030
Customer relationships | Productivity Software | CRC and Escada
Acquired Finite-Lived Intangible Assets [Line Items]
Purchase Price Allocation, intangible assets		$ 5,240
Customer relationships | Productivity Software | CRC and Escada | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		7 years
Customer relationships | Productivity Software | CRC and Escada | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		9 years
Customer relationships | Productivity Software | Optitex
Acquired Finite-Lived Intangible Assets [Line Items]
Purchase Price Allocation, intangible assets			$ 8,890
Customer relationships | Productivity Software | Optitex | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life			3 years
Customer relationships | Productivity Software | Optitex | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life			4 years
Customer relationships | Industrial Inkjet | Rialco
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life			6 years
Purchase Price Allocation, intangible assets			$ 2,512
Existing technology | Fiery | FFPS
Acquired Finite-Lived Intangible Assets [Line Items]
Purchase Price Allocation, intangible assets		$ 2,570
Existing technology | Fiery | FFPS | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		2 years
Existing technology | Fiery | Generation Digital
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		5 years
Purchase Price Allocation, intangible assets		$ 890
Existing technology | Productivity Software | CRC and Escada
Acquired Finite-Lived Intangible Assets [Line Items]
Purchase Price Allocation, intangible assets		$ 5,870
Existing technology | Productivity Software | CRC and Escada | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		4 years
Existing technology | Productivity Software | CRC and Escada | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		6 years
Existing technology | Productivity Software | Optitex
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life			5 years
Purchase Price Allocation, intangible assets			$ 7,760
Existing technology | Industrial Inkjet | Rialco
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life			5 years
Purchase Price Allocation, intangible assets			$ 846
Trade names | Fiery | FFPS
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		5 years
Purchase Price Allocation, intangible assets		$ 1,020
Trade names | Fiery | Generation Digital
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		5 years
Purchase Price Allocation, intangible assets		$ 290
Trade names | Productivity Software | CRC and Escada
Acquired Finite-Lived Intangible Assets [Line Items]
Purchase Price Allocation, intangible assets		$ 850
Trade names | Productivity Software | CRC and Escada | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		4 years
Trade names | Productivity Software | CRC and Escada | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		5 years
Trade names | Productivity Software | Optitex
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life			4 years
Purchase Price Allocation, intangible assets			$ 2,020
Trade names | Industrial Inkjet | Rialco
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life			5 years
Purchase Price Allocation, intangible assets			$ 763
IPR&D | Fiery | FFPS
Acquired Finite-Lived Intangible Assets [Line Items]
Purchase Price Allocation, intangible assets		$ 70
Backlog | Productivity Software | CRC and Escada
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		1 year
Purchase Price Allocation, intangible assets		$ 191
Backlog | Productivity Software | Optitex
Acquired Finite-Lived Intangible Assets [Line Items]
Purchase Price Allocation, intangible assets			370
Backlog | Industrial Inkjet | Rialco
Acquired Finite-Lived Intangible Assets [Line Items]
Purchase Price Allocation, intangible assets			$ 56