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Share-Based Compensation Related to Employees and Directors (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Cost of employee share-based compensation included in income (loss), before income tax $ 11,220 $ 5,327 $ 8,184
Cost of sales      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Cost of employee share-based compensation included in income (loss), before income tax 754 240 473
Operating expenses      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Cost of employee share-based compensation included in income (loss), before income tax $ 10,466 $ 5,087 $ 7,711