Deferred Court Costs, Net - Schedule of Court Cost Reserve (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets [Roll Forward]
Balance at beginning of period	$ (279,572)	$ (210,889)
Provision for court costs	(19,179)	(16,178)
Net down of reserve after 60 months	7,925	0
Effect of foreign currency translation	443	0
Balance at end of period	$ (290,383)	$ (227,067)