Annual report pursuant to Section 13 and 15(d)

DERIVATIVE INSTRUMENTS (Detail Textuals)

v2.4.0.6
DERIVATIVE INSTRUMENTS (Detail Textuals) (Interest rate swap agreement, USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2012
Dec. 31, 2012
Dec. 31, 2011
Jan. 31, 2011
Interest rate swap agreement
       
Derivative [Line Items]        
Original outstanding balance       $ 33.0
Underlying notional amount       20.0
Due on the swap related to credit agreement on termination 0.5      
Hedged portion of the debt   18.0 18.0  
Interest on hedged portion   8.56% 8.62%  
Non hedged portion of the debt   13.0 13.0  
Interest on the non hedged portion   7.00% 7.00%  
Weighted average cash interest paid   8.16% 8.16%  
Increase in interest expense   $ 0.70 $ 0.02