Fair Value Measurements and Interest Rate Swaps (Details 2) (USD $) | 6 Months Ended |
In Millions, unless otherwise specified | Jun. 30, 2014 |
Forward-starting Interest Rate Swap 1 [Member] | ' |
Derivative [Line Items] | ' |
Forward-starting interest rate swap agreement, inception date | 8-May-14 |
Forward-starting interest rate swap agreement, effective date | 19-Oct-16 |
Forward-starting interest rate swap agreement, notional amount | $25 |
Forward-starting interest rate swap agreement, fixed interest rate | 2.52% |
Forward-starting interest rate swap agreement, termination date | 20-Sep-18 |
Forward-starting Interest Rate Swap 2 [Member] | ' |
Derivative [Line Items] | ' |
Forward-starting interest rate swap agreement, inception date | 14-May-14 |
Forward-starting interest rate swap agreement, effective date | 19-Oct-16 |
Forward-starting interest rate swap agreement, notional amount | 50 |
Forward-starting interest rate swap agreement, fixed interest rate | 2.45% |
Forward-starting interest rate swap agreement, termination date | 20-Sep-18 |
Forward-starting Interest Rate Swap 3 [Member] | ' |
Derivative [Line Items] | ' |
Forward-starting interest rate swap agreement, inception date | 19-May-14 |
Forward-starting interest rate swap agreement, effective date | 19-Oct-16 |
Forward-starting interest rate swap agreement, notional amount | 50 |
Forward-starting interest rate swap agreement, fixed interest rate | 2.34% |
Forward-starting interest rate swap agreement, termination date | 20-Sep-18 |
Forward-starting Interest Rate Swap 4 [Member] | ' |
Derivative [Line Items] | ' |
Forward-starting interest rate swap agreement, inception date | 28-May-14 |
Forward-starting interest rate swap agreement, effective date | 19-Oct-16 |
Forward-starting interest rate swap agreement, notional amount | $25 |
Forward-starting interest rate swap agreement, fixed interest rate | 2.26% |
Forward-starting interest rate swap agreement, termination date | 20-Sep-18 |