Annual report pursuant to Section 13 and 15(d)

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

v3.6.0.2
Reconciliation of Total Amounts of Unrecognized Tax Benefits Excluding Interest and Penalties (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Reconciliation of Unrecognized Tax Benefits [Line Items]      
Beginning Balance $ 17,133 $ 16,515 $ 18,780
Gross increases - tax positions in prior periods 13 40 10
Gross decreases - tax positions in prior periods 0 0 (2,379)
Gross increases - current period tax positions 923 2,112 1,324
Settlements (924) (871) (963)
Foreign currency translation adjustments 258 (663) (257)
Ending Balance $ 17,403 $ 17,133 $ 16,515