Cash Flows (Summary Of Non-Cash Activities And Other Supplemental Data) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Noncash Investing and Financing Items [Abstract]
Capital Lease Obligations Incurred	$ 0	$ 9,599
Capital expenditures incurred but not yet paid	1,393	1,461
Cash interest paid — continuing operations	98,028	98,592
Income taxes paid, net — continuing operations	$ 146,264	$ 75,656