Other Long-Term Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Schedule of Other Long Term Assets [Line Items]
Deferred income taxes	$ 23,222	$ 139,183
Other	128,982	122,925
Total other long-term assets	177,281	289,130
Investments in privately-held companies
Schedule of Other Long Term Assets [Line Items]
Investments	$ 25,077	$ 27,022