Acquisitions and Disposals - Schedule of Aggregate Consideration Paid and Recognized Identified Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Consideration	$ 70,572	$ 73,933	$ 26,920
2015 Acquisitions [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of total consideration transferred	71,400
Consideration	70,123
Recognized amounts of identifiable assets acquired and liabilities assumed
Cash	700
Account Receivable	4,202
Fixed Assets	521
Accounts Payable	(1,389)
Other Assets and (Liabilities), Net	(3,937)
Total Identifiable Assets	19,189
Noncontrolling Interest	152
Goodwill Including Noncontrolling Interest of $36	51,086
2015 Acquisitions [Member] | Licensing Agreements [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed
Business Combination recognized Identifiable Assets Acquired and Liabilities Assumed Indefinite and Finite Live Intangibles	11,609
2015 Acquisitions [Member] | Trade Names [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed
Business acquisition, purchase price allocation, Intangible Assets	6,530
2015 Acquisitions [Member] | Other Identifiable Intangible Assets [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed
Business acquisition, purchase price allocation, Intangible Assets	$ 953