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Segment Reporting Information (Parenthetical) (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Segment Reporting Information [Line Items]      
Contingent consideration fair value adjustment   $ 650 $ (4,203)
Restructuring expenses $ 2,420 437 125
Depreciation charge 8,000 7,200 7,700
U.S. Wholesale      
Segment Reporting Information [Line Items]      
Finite lived intangible asset impairment     3,400
Contingent consideration fair value adjustment     $ (4,200)
Restructuring expenses 2,400 400  
International      
Segment Reporting Information [Line Items]      
Contingent consideration fair value adjustment   $ 1,000  
Depreciation Adjustment      
Segment Reporting Information [Line Items]      
Depreciation charge $ 1,200