Cash Flows (Summary Of Non-Cash Activities And Other Supplemental Data) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Noncash Investing and Financing Items [Abstract]
Capital expenditures incurred but not yet paid	$ 2,399	$ 1,018
Cash interest paid — continuing operations	37,132	35,997
Income taxes paid, net — continuing operations	$ 13,005	$ 2,834