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Fair Value Measurements
 12 Months Ended
Dec. 31, 2011
Fair Value Measurements [Abstract]  
Fair Value Measurements
10.  
Fair Value Measurements
 
Estimates of fair value for financial assets and financial liabilities are based on the framework established in the accounting guidance for fair value measurements. The framework defines fair value, provides guidance for measuring fair value and requires certain disclosures. The framework discusses valuation techniques, such as the market approach (comparable market prices), the income approach (present value of future income or cash flow) and the cost approach (cost to replace the service capacity of an asset or replacement cost). The framework utilizes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The following is a brief description of those three levels:
 
·  
Level 1: Observable inputs such as quoted prices (unadjusted) in active markets for identical assets or liabilities.
 
·  
Level 2: Inputs other than quoted prices that are observable for the asset or liability, either directly or indirectly. These include quoted prices for similar assets or liabilities in active markets and quoted prices for identical or similar assets or liabilities in markets that are not active.
 
·  
Level 3: Unobservable inputs that reflect the reporting entity's own assumptions.
 
Our population of assets and liabilities subject to fair value measurements at December 31, 2011 is as follows:
 
   
Fair
          
Valuation
   
value
  
Level 1
  
Level 2
  
Level 3
 
Technique
Assets:
             
Water Star technology
 $3,800  $-  $-  $3,800 
(a)
Foreign currency forward exchange contracts
  1,015   -   1,015   - 
 (b)
Total Assets
 $4,815  $-  $1,015  $3,800  
Liabilities:
                 
Foreign currency forward exchange contracts
 $102  $-  $102  $- 
 (b)
Total Liabilities
 $102  $-  $102  $-  
 
Assets and liabilities measured at fair value are based on one or more valuation techniques. The valuation techniques are identified in the table above and are as follows:
 
(a) We used a loss of income method to value Water Star technology. Inputs for this valuation model were based on estimated costs to replace and hypothetical lost profits.
 
(b) Our foreign currency forward exchange contracts are valued based on quoted forward foreign exchange prices at the reporting date.
 
We use derivative instruments to manage exposures to foreign currency only in an attempt to limit underlying exposures from currency fluctuations and not for trading purposes. Gains or losses on forward foreign exchange contracts to economically hedge foreign currency-denominated assets and liabilities are recognized in Other Current Assets and Other Current Liabilities within the Consolidated Balance Sheets and are recognized in Other Income (Expense) under Net Foreign Currency Transaction Gains (Losses) within the Consolidated Statements of Operations. As of December 31, 2011 the fair value of such contracts outstanding was an asset of $1,015 and a liability of $102. As of December 31, 2010 the fair value of such contracts outstanding was a liability of $420. We recognized a net loss of $1,444 during 2011, a net gain of $1,216 during 2010 and a net loss of $2,932 during 2009. At December 31, 2011 and 2010, the notional amounts of foreign currency forward exchange contracts outstanding were $45,524 and $40,325, respectively.
 
The carrying amounts reported in the Consolidated Balance Sheets for Cash and Cash Equivalents, Restricted Cash, Accounts Receivable, Other Current Assets, Accounts Payable and Other Current Liabilities approximate fair value.
 
The fair market value of our Long-Term Debt approximates cost, based on the borrowing rates currently available to us for bank loans with similar terms and remaining maturities.