XML 38 R47.htm IDEA: XBRL DOCUMENT v2.4.0.6
GENERAL (Schedule of Acquisition of U.S. Quartz Products, Inc.) (Details) (U.S. Quartz Products, Inc. [Member], USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
May 18, 2011
Business Acquisition [Line Items]    
Current assets   $ 22,452
Deferred taxes   2,604
Property and equipment   1,794
Long-term liabilities   185
Goodwill   18,460
Total assets acquired   63,192
Current liabilities   18,510
Long-term liabilities   6,291
Deferred taxes   5,374
Total liabilities assumed   30,175
Net assets acquired   33,017
Total purchase price   33,017
Distribution Relationships [Member]
    
Business Acquisition [Line Items]    
Intangible assets   739
Expected useful life 7 years 7 months 6 days  
Customer Relationships [Member]
    
Business Acquisition [Line Items]    
Intangible assets   2,352
Expected useful life 7 years 7 months 6 days  
Distribution Agreement [Member]
    
Business Acquisition [Line Items]    
Intangible assets   14,376
Expected useful life 7 years 7 months 6 days  
Backlog- Customer Relationships [Member]
    
Business Acquisition [Line Items]    
Intangible assets   146
Expected useful life 29 days  
Backlog- Distribution Relationships [Member]
    
Business Acquisition [Line Items]    
Intangible assets   $ 84
Expected useful life 29 days