Interest Rate Swap Agreements (Narrative) (Details) (Interest Rate Swap, USD $) In Millions, unless otherwise specified	Sep. 30, 2014 counterparties
Derivative [Line Items]
Notional amount	$ 170.0
Number of counterparties	3
Fixed rate	2.665%
London Interbank Offered Rate (LIBOR)
Derivative [Line Items]
Floor interest rate	1.25%

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant