Goodwill and Intangible Assets - Intangible Assets by Major Asset Class (Detail) (USD $) In Thousands, unless otherwise specified							3 Months Ended				3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Trade name, trademark and trade dress and other	Dec. 31, 2013 Trade name, trademark and trade dress and other	Mar. 31, 2014 Patents	Dec. 31, 2013 Patents	Mar. 31, 2014 Patents Minimum	Mar. 31, 2014 Patents Maximum	Mar. 31, 2014 Developed technology and other	Dec. 31, 2013 Developed technology and other	Mar. 31, 2014 Developed technology and other Minimum	Mar. 31, 2014 Developed technology and other Maximum
Intangible Assets By Major Class [Line Items]
Useful Life (years)							2 years	16 years			1 year	9 years
Gross	$ 128,132	$ 128,132	$ 88,590	$ 88,590	$ 31,581	$ 31,581			$ 7,961	$ 7,961
Accumulated Amortization	39,249	39,231			31,300	31,287			7,949	7,944
Net Book Value	$ 88,883	$ 88,901	$ 88,590	$ 88,590	$ 281	$ 294			$ 12	$ 17