Long Term Debt (Schedule of Long Term Debt Applicable Margin) (Details)	Jun. 30, 2013
Greater than or equal to 5.5
Debt Instrument [Line Items]
Debt Instrument Basis Spread on Variable Rate	3.00%
Greater than or equal to 5.0 but less than 5.5
Debt Instrument [Line Items]
Debt Instrument Basis Spread on Variable Rate	2.75%
Greater than or equal to 4.5 but less than 5.0
Debt Instrument [Line Items]
Debt Instrument Basis Spread on Variable Rate	2.50%
Greater than or equal to 4.0 but less than 4.5
Debt Instrument [Line Items]
Debt Instrument Basis Spread on Variable Rate	2.25%
less than 4.0
Debt Instrument [Line Items]
Debt Instrument Basis Spread on Variable Rate	2.00%