Cash Flows (Summary Of Non-Cash Activities And Other Supplemental Data) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Noncash Investing and Financing Items [Abstract]
Increase in capital lease obligations and related assets	$ 19,036	$ 865
Capital expenditures incurred but not yet paid	656	945
Cash interest paid — continuing operations	61,300	56,320
Income taxes paid, net — continuing operations	$ 32,187	$ 111,889