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Stock-Based Compensation (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Stock-Based Compensation [Abstract]    
Stock-based compensation cost $ 893 $ 843
Performance period 3 years  
European ROACE - return on average capital employed (in hundredths) 25.00%  
Consolidated ROACE - return on average capital employed (in hundredths) 50.00%  
Cumulative revenue (in hundredths) 25.00%  
Reposition charge net of tax (in hundredths) 70.00%  
Income tax rate (in hundredths) 30.00%  
Unrecognized compensation cost and recognition period [Abstract]    
Unrecognized Compensation Costs 6,743  
Weighted Average Remaining Service Period in Years 2 years 9 months 18 days  
Assumptions used in determining the fair value for the options [Abstract]    
Expected life of awards in years 6 years 3 months 18 days  
Risk-free interest rate (in hundredths) 0.86%  
Expected volatility of the Company's stock (in hundredths) 87.35%  
Expected dividend yield on the Company's stock (in hundredths) 0.00%  
Common stock options [Member]
   
Type and fair value of stock-based compensation awards granted [Abstract]    
Shares (in shares) 238.3  
Fair Value Per Award (in dollars per share) $ 4.23  
Unrecognized compensation cost and recognition period [Abstract]    
Unrecognized Compensation Costs 1,590  
Weighted Average Remaining Service Period in Years 2 years 3 months 18 days  
Restricted common stock - retention [Member]
   
Type and fair value of stock-based compensation awards granted [Abstract]    
Shares (in shares) 352.7  
Fair Value Per Award (in dollars per share) $ 5.75  
Unrecognized compensation cost and recognition period [Abstract]    
Unrecognized Compensation Costs 3,588  
Weighted Average Remaining Service Period in Years 3 years 6 months  
Restricted common stock - performance based [Member]
   
Type and fair value of stock-based compensation awards granted [Abstract]    
Shares (in shares) 352.7  
Fair Value Per Award (in dollars per share) $ 5.75  
Unrecognized compensation cost and recognition period [Abstract]    
Unrecognized Compensation Costs $ 1,565  
Weighted Average Remaining Service Period in Years 2 years 7 months 6 days