Annual report pursuant to Section 13 and 15(d)

Reconciliation of Total Amounts of Unrecognized Tax Benefits Excluding Interest and Penalties (Detail)

v2.4.0.6
Reconciliation of Total Amounts of Unrecognized Tax Benefits Excluding Interest and Penalties (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Reconciliation of Unrecognized Tax Benefits [Line Items]      
Beginning Balance $ 18,660 $ 15,197 $ 23,857
Gross increases - tax positions in prior periods 14,462 3,153  
Gross decreases - tax positions in prior periods (3,321)   (1,392)
Gross increases - current period tax positions 3,672 3,729 3,551
Gross decreases - current period tax positions   (633) (613)
Settlements   (2,467) (10,383)
Foreign currency translation adjustments (251) (319) 177
Ending Balance $ 33,222 $ 18,660 $ 15,197