Quarterly report pursuant to Section 13 or 15(d)

Acquisitions (Details)

v3.4.0.3
Acquisitions (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Jan. 28, 2015
USD ($)
Business
Mar. 31, 2016
USD ($)
$ / shares
Mar. 31, 2015
USD ($)
$ / shares
Dec. 31, 2015
USD ($)
Business Acquisition [Line Items]        
Earn-out obligation, less current portion   $ 10,445   $ 10,166
Earn-out obligations - current   8,015   9,678
Goodwill   198,545   $ 198,545
Aviation Group [Member]        
Business Acquisition [Line Items]        
Percentage of business acquired 100.00%      
Number of businesses acquired | Business 4      
Additional potential consideration payment - two year earn-out $ 40,000      
Earn-out obligation, less current portion   10,400    
Earn-out obligations - current   8,000    
Business Acquisition, Pro Forma Information [Abstract]        
Revenue   143,636 $ 128,196  
Income from continuing operations   $ 6,552 $ 5,383  
Basic earnings per share (in dollars per share) | $ / shares   $ 1.22 $ 1.00  
Diluted earnings per share (in dollars per share) | $ / shares   $ 1.21 $ 1.00  
Ultra Seating [Member]        
Business Acquisition [Line Items]        
Percentage of business acquired       100.00%
Initial purchase consideration paid       $ 3,800
Goodwill       1,900
Ultra Seating [Member] | Customer Relationships [Member]        
Business Acquisition [Line Items]        
Intangible assets       $ 1,500