Other Commitments And Contingencies (Narrative) (Details) - USD ($) $ in Millions |
Jun. 30, 2015 |
Dec. 05, 2014 |
|---|---|---|
| Purchase Commitment, Excluding Long-term Commitment [Line Items] | ||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 2,600.0 | |
| Line of Credit [Member] | ||
| Purchase Commitment, Excluding Long-term Commitment [Line Items] | ||
| Line of Credit | 20.0 | |
| Revolving Credit Facility [Member] | ||
| Purchase Commitment, Excluding Long-term Commitment [Line Items] | ||
| Line of Credit Facility, Maximum Borrowing Capacity | 500.0 | $ 1,500.0 |
| Guarantee Obligations Maximum Exposure Year One | 0.0 | |
| Letter of Credit | ||
| Purchase Commitment, Excluding Long-term Commitment [Line Items] | ||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 50.0 |