Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

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Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Oct. 01, 2016
Inventory Disclosure [Abstract]    
Inventory valuation reserves $ 9,100 $ 8,800
Inventories, net of reserves:    
Raw materials 12,273 11,442
Work in process 18,526 18,158
Finished goods 148,239 134,647
Inventories, net $ 179,038 $ 164,247