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Discontinued Operations - Schedule of Condensed Cash Flow Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Discontinued Operations And Disposal Groups [Abstract]      
Deferred income taxes $ 8,917 $ 7,463 $ 11,219
Depreciation and amortization of property, plant and equipment 4,566 4,677 4,310
Stock-based compensation 634 1,140 1,093
Expenditures for property, plant and equipment 863 2,357 5,155
Software and software development costs $ 2,466 $ 360 $ 966