Schedule II - Valuation and Qualifying Accounts (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Allowance for Doubtful Accounts
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance - Beginning of the year	$ 3,393	$ 3,867	$ 2,717
Provisions	2,520	2,669	4,324
Utilizations	(3,803)	(3,174)	(4,585)
Collection of bad debt	196	0	0
Acquisitions recorded	0	0	1,459
Currency translation adjustment	(4)	31	(48)
Balance - End of the year	2,302	3,393	3,867
Valuation Allowance of Deferred Tax Assets
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance - Beginning of the year	17,492	69,364	69,099
Provisions	2,640	2,828	1,185
Utilizations	(2,943)	(54,700)	(920)
Balance - End of the year	$ 17,189	$ 17,492	$ 69,364