Derivative Financial Instruments (Narrative) (Details) - USD ($) $ in Millions	Nov. 02, 2015	Sep. 30, 2015
December 15, 2015 Interest Rate Swaps [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Derivative, Fixed Interest Rate		2.15%
Notional amount of debt		$ 100
March 15, 2016 Interest Rate Swaps [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Derivative, Fixed Interest Rate		2.24%
Notional amount of debt		$ 100
March 2016 Interest Rate Swaps [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Derivative, Fixed Interest Rate		2.18%
Notional amount of debt		$ 50
Subsequent Event [Member] | March 2016 Interest Rate Swaps [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Derivative, Fixed Interest Rate	2.12%
Notional amount of debt	$ 50