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Dispositions (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended 60 Months Ended
Dec. 12, 2014
Aug. 01, 2015
May. 02, 2015
Aug. 01, 2015
Dec. 12, 2019
Dec. 11, 2018
Dec. 11, 2017
Dec. 11, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Net sales     $ 0          
Sale price $ 15,000              
Proceeds from business disposition 4,400              
Note receivable 7,500              
Disposal Group, Including Discontinued Operations, Notes Receivable, First Periodic Payment Due 1,250              
Disposal Group, Including Discontinued Operations, Notes Receivable, Periodic Payment Due After First installment $ 600              
Promissory note interest rate         9.00% 8.00% 7.00% 6.00%
Debt Instrument, Convertible, Conversion Price $ 21.50              
Notes Receivable, Fair Value Disclosure   $ 7,100   $ 7,100        
Interest Income, Other   100   $ 200        
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount   $ 1,200