Cash Flows (Summary Of Non-Cash Activities And Other Supplemental Data) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Noncash Investing and Financing Items [Abstract]
Increase in capital lease obligations and related assets	$ 9,599	$ 865
Capital expenditures incurred but not yet paid	1,461	953
Cash interest paid — continuing operations	98,592	90,456
Income taxes paid, net — continuing operations	$ 75,656	$ 123,829