Cash Flows (Summary Of Non-Cash Activities And Other Supplemental Data) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Noncash Investing and Financing Items [Abstract]
Leasehold Improvements Paid By Landlord	$ 0	$ 2,071
Increase in capital lease assets	865	0
Increase in capital lease obligations and related assets	0	1,399
Capital expenditures incurred but not yet paid	945	0
Cash interest paid — continuing operations	56,320	57,564
Income taxes paid, net — continuing operations	$ 111,889	$ 13,535