Quarterly report pursuant to Section 13 or 15(d)

Derivative Financial Instruments (Details Textual)

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Derivative Financial Instruments (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Jun. 30, 2012
Agreement
May 14, 2013
Jul. 27, 2011
Derivative Financial Instruments (Textual) [Abstract]      
Number of interest rate swap agreements 2    
Notional amount of borrowings $ 73.0    
Interest rate derivatives fixed interest rate   3.878% 3.878%
Nominal gain related to credit agreement $ 0.1