Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands, shares in Millions		3 Months Ended	9 Months Ended
	Jul. 01, 2015	Sep. 30, 2015	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014	Dec. 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Business acquisition related costs		$ 1,600	$ 4,200
Businesses purchased, net of cash acquired			65,480	$ 20,745
Fair value of earnout		49,732	$ 49,732		$ 12,277	$ 21,052
Earnout [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value discount rate			4.20%
Earnout [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value discount rate			6.40%
Asset Valuation Methodology [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value discount rate			15.00%
Asset Valuation Methodology [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value discount rate			20.00%
Reggiani Macchine [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition date			Jul. 01, 2015
Businesses purchased, net of cash acquired	$ 26,600
Equity consideration to purchase business	$ 26,900
Future shares issuance on purchase of business	0.6
Fair value of earnout		43,170	$ 43,170
Reggiani Macchine [Member] | Earnout [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value discount rate			4.98%
Matan Digital Printers [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition date			Jul. 01, 2015
Businesses purchased, net of cash acquired	$ 38,900
Reggiani Initial Fair Value [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of earnout		$ 44,000	$ 44,000