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Acquisitions - Triune Purchase Price Allocation (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 04, 2015
Jan. 31, 2016
Business Acquisition [Line Items]    
Goodwill   $ 49,384
Triune Systems    
Business Acquisition [Line Items]    
Current assets $ 877  
Property, plant and equipment, net 226  
Amortizable intangible assets 12,000  
Goodwill 49,384  
Current liabilities (1,287)  
Earn-out liability (16,200) $ 0
Total acquisition consideration $ 45,000