Fair Value Measurements - Additional Information (Detail) (USD $)	12 Months Ended						1 Months Ended		3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 2.58% Senior Euro Notes	Dec. 31, 2013 Senior Notes	Dec. 31, 2013 4.2% Senior Notes	Jan. 31, 2011 At Films	Nov. 30, 2013 Matcon	Apr. 30, 2013 Matcon	Dec. 31, 2012 Matcon	Dec. 31, 2013 Matcon	Jul. 20, 2012 Matcon
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingent consideration value as of opening balance sheet date		$ 9,043,000				$ 2,700,000			$ 9,000,000	$ 4,900,000	$ 8,400,000
Business acquisition, contingent consideration recognized to SG&A	1,400,000	2,700,000					4,100,000		600,000
Contingent consideration for acquisition recorded in Accrued expenses	0	3,528,000							3,500,000
Contingent consideration for acquisition recorded in Noncurrent liabilities	0	5,515,000							5,500,000
Change in amount of contingent consideration, liability							1,100,000	3,800,000
Stated interest rate			2.58%	4.50%	4.20%
Fair value of our revolving facility and senior debt	772,900,000
Carrying value of our revolving facility and senior debt	$ 769,600,000