Investments and Fair Value Measurements - Summary of Changes in Fair Value of Contingent Consideration (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Business Acquisition, Contingent Consideration [Line Items]
Deferred compensation expense dependent on future employment	$ 200	$ 200	$ 465	$ 456	$ 907
Fair value of contingent consideration			38,050	8,704	8,704
Changes in valuation			(828)		(432)
Payments			(10,616)		(968)
Foreign currency adjustment			(473)		612
Fair value of contingent consideration	29,627		29,627		38,050
Cretaprint [Member]
Business Acquisition, Contingent Consideration [Line Items]
Fair value of contingent consideration				16,445	16,445
Date of acquisition agreement					Jan. 10, 2012
FX Colors [Member]
Business Acquisition, Contingent Consideration [Line Items]
Fair value of contingent consideration				190	190
Date of acquisition agreement					Apr. 05, 2012
Metrics [Member]
Business Acquisition, Contingent Consideration [Line Items]
Fair value of contingent consideration				5,582	5,582
Date of acquisition agreement					Apr. 10, 2012
Online Print Solutions [Member]
Business Acquisition, Contingent Consideration [Line Items]
Fair value of contingent consideration				2,600	2,600
Date of acquisition agreement					Oct. 01, 2012
Technique [Member]
Business Acquisition, Contingent Consideration [Line Items]
Fair value of contingent consideration				4,410	4,410
Date of acquisition agreement					Nov. 16, 2012
Print Leader [Member]
Business Acquisition, Contingent Consideration [Line Items]
Fair value of contingent consideration			389
Date of acquisition agreement			May 08, 2013
Gam Sys [Member]
Business Acquisition, Contingent Consideration [Line Items]
Fair value of contingent consideration			$ 2,640
Date of acquisition agreement			May 31, 2013