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Acquisition (Details 1) - USD ($)
$ in Thousands
Jun. 02, 2018
Mar. 03, 2018
Jun. 12, 2017
Mar. 04, 2017
Business Acquisition [Line Items]        
Goodwill $ 187,034 $ 180,956   $ 101,334
EFCO Corporation        
Business Acquisition [Line Items]        
Net working capital     $ 1,422  
Property, plant and equipment     44,641  
Goodwill     90,429  
Other intangible assets     71,500  
Less: Long-term liabilities acquired, net     17,643  
Net assets acquired     $ 190,349