XML 20 R50.htm IDEA: XBRL DOCUMENT v2.4.0.8
Subsequent Events (Detail Textuals) (Interest Rate Swap Agreements, Cash Flow Hedging, USD $)
In Millions, unless otherwise specified
 1 Months Ended
Apr. 05, 2012
Agreement
Jan. 31, 2014
Subsequent event
Agreement
Jan. 31, 2014
Subsequent event
Interest rate swap agreement four
Jan. 31, 2014
Subsequent event
Interest rate swap agreement five
Subsequent Event [Line Items]        
Number of interest rate swap agreements 2 2    
Aggregate notional amount $ 100.0 $ 200.0 $ 100.0 $ 100.0
Mature date for swap agreement     Jul. 02, 2018 Jan. 02, 2019