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Acquisitions - Other Acquisitions (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Jun. 30, 2014
Business Acquisition [Line Items]          
Payments to Acquire Businesses, Net of Cash Acquired   $ 27,500 $ 0 $ 27,510  
Net sales $ 222,190 $ 222,330 $ 671,220 $ 663,870 $ 10,000