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Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Sep. 30, 2016
Apr. 01, 2016
Inventories [Abstract]      
Raw materials $ 32,183 $ 26,379 $ 33,028
Work in process 161 34 155
Finished goods 42,514 41,984 56,586
Total Inventories $ 74,858 $ 68,397 $ 89,769