Goodwill and Intangible Assets - Intangible Assets by Major Asset Class (Detail) (USD $) In Thousands, unless otherwise specified							6 Months Ended				6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 Trade name, trademark and trade dress and other	Dec. 31, 2012 Trade name, trademark and trade dress and other	Jun. 30, 2013 Patents	Dec. 31, 2012 Patents	Jun. 30, 2013 Patents Minimum	Jun. 30, 2013 Patents Maximum	Jun. 30, 2013 Developed technology and other	Dec. 31, 2012 Developed technology and other	Jun. 30, 2013 Developed technology and other Minimum	Jun. 30, 2013 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	39,189	38,943			31,256	31,022			7,933	7,921
Intangible assets, net	$ 88,943	$ 89,189	$ 88,590	$ 88,590	$ 325	$ 559			$ 28	$ 40