|
Benefit Plans (Details 2) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2012
|
Jun. 30, 2011
|
Jun. 30, 2012
|
Jun. 30, 2011
|
|
| Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract] | ||||
| SERP & SRIP | $ 0.8 | $ 0.7 | $ 1.7 | $ 1.4 |
| Defined Contribution Plan | 4.1 | 3.8 | 8.6 | 7.5 |
| Benefit Cost | $ 4.9 | $ 4.5 | $ 10.3 | $ 8.9 |
| X | ||||||||||
|
- Definition
Benefit Cost. No definition available.
|
| X | ||||||||||
|
- Definition
Supplemental Executive Retirement Plan and Supplemental Retirement Income Plan. No definition available.
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
The amount of the cost recognized during the period for defined contribution plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|