XML 36 R35.htm IDEA: XBRL DOCUMENT v2.4.1.9
Intangibles (Net of Amortization) and Goodwill (Narrative) (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]    
Net carrying amount of intangibles and goodwill 15,260,000us-gaap_IntangibleAssetsNetIncludingGoodwill $ 16,859,000us-gaap_IntangibleAssetsNetIncludingGoodwill
Accumulated goodwill impairment 0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss $ 0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
Contracts [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated economic life, in years 10 years  
Customer Bases [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated economic life, in years 20 years  
Trademarks And Trade Names [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated economic life, in years 10 years  
Minimum [Member] | Formulas And Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated economic life, in years 10 years  
Maximum [Member] | Formulas And Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated economic life, in years 20 years