XML 20 R48.htm IDEA: XBRL DOCUMENT v2.4.0.6
Goodwill and Other Intangible Assets - Summary of Changes in Carrying Amount of Goodwill (Detail) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Goodwill [Line Items]      
Balance Beginning $ 34,186,000 $ 31,400,000 $ 30,900,000
Sale of disposed operations (10,800,000)    
Goodwill acquired during the year   3,100,000  
Changes in currency exchange rates 300,000 (300,000) 500,000
Balance Ending 23,742,000 34,186,000 31,400,000
Security Products [Member]
      
Goodwill [Line Items]      
Balance Beginning 23,742,000 23,700,000 23,700,000
Sale of disposed operations 0    
Goodwill acquired during the year   0  
Changes in currency exchange rates 0 0 0
Balance Ending 23,742,000 23,742,000 23,700,000
Furniture Components [Member]
      
Goodwill [Line Items]      
Balance Beginning 10,500,000 7,700,000 7,200,000
Sale of disposed operations (10,800,000)    
Goodwill acquired during the year   3,100,000  
Changes in currency exchange rates 300,000 (300,000) 500,000
Balance Ending $ 0 $ 10,500,000 $ 7,700,000