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- Major Components of Inventories (Detail) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Accounting Policies [Abstract]    
Raw materials and purchased components $ 233,258 $ 194,108
Service parts, garments and accessories 342,593 307,684
Finished goods 442,003 329,288
Less: reserves (48,343) (47,119)
Inventories $ 969,511 $ 783,961