Reconciliation of Unrecognized Tax Benefits (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Income Tax Contingency [Line Items]
Balance at beginning of year	$ 2,191	$ 1,678
Additions based on tax position related to current year	2	67
Additions based on tax positions related to prior year	580	413
Reductions from settlements and statute of limitation expiration	(599)
Effect of foreign currency translation	67	33
Balance at end of year	$ 2,241	$ 2,191