Fair Value Measurements - Additional Information (Detail) (USD $)					1 Months Ended
	Sep. 30, 2012	Sep. 30, 2012 2.58% Senior Euro Notes	Sep. 30, 2012 Senior Notes	Sep. 30, 2012 4.2% Senior Notes	Feb. 29, 2012 At Films	Jul. 20, 2012 Matcon Group Limited
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingent consideration paid					$ 1,500,000
Contingent consideration for acquisition included in accrued expense					1,500,000	2,900,000
Business acquisition, contingent consideration						8,400,000
Contingent consideration for acquisition recorded in Noncurrent liabilities	5,515,000					5,515,000
Stated interest rate		2.58%	4.50%	4.20%
Fair value of our revolving facility and senior debt	819,300,000
Carrying value of our revolving facility and senior debt	$ 779,200,000