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Components of Accumulated Other Comprehensive Loss, Net (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Balance at beginning of period     $ 197,728    
Balance at end of period $ 201,180   201,180    
Total accumulated other comprehensive loss at end of period (31,666) $ (18,960) (31,666) $ (18,960) $ (36,999)
Accumulated translation adjustment:          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Balance at beginning of period (33,668) (14,640) (35,644) (12,961)  
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax 3,312 (3,454) 5,288 (5,133)  
Amounts reclassified from accumulated other comprehensive loss [1]   (378)   (378)  
Balance at end of period (30,356) (17,716) (30,356) (17,716)  
Accumulated deferred gains (losses) on cash flow hedges:          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Balance at beginning of period 10 (63) (3) (20)  
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax 1 (4) 14 (47)  
Balance at end of period 11 (67) 11 (67)  
Accumulated effect of retirement benefit obligations:          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Balance at beginning of period (1,337) (1,190) (1,352) (1,204)  
Amounts reclassified from accumulated other comprehensive loss [2] 16 13 31 27  
Balance at end of period $ (1,321) $ (1,177) $ (1,321) $ (1,177)  
[1] Amount is recorded in equity in earnings (losses) on the condensed consolidated statements of operations.
[2] Amounts are recorded in selling, general and administrative expense on the condensed consolidated statements of operations.