Segregation of Income Tax Expense (Benefit) Based on Location of Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Current tax provision (benefit)
Current tax provision (benefit), Puerto Rico	$ 1,687	$ 1,456	$ 3,047	$ 1,712
Current tax provision (benefit), United States	(923)	24	(508)	453
Current tax provision (benefit), Foreign countries	1,374	350	4,152	955
Total current tax provision (benefit)	2,138	1,830	6,691	3,120
Deferred tax benefit
Deferred tax provision (benefit), Puerto Rico	(518)	(422)	314	(6,378)
Deferred tax provision (benefit) , United States	(138)	(1)	(141)	(3)
Deferred tax provision (benefit), Foreign countries	(400)	(49)	(1,659)	(342)
Total deferred tax benefit	$ (1,056)	$ (472)	$ (1,486)	$ (6,723)