Summary Of Significant Accounting Policies (Other Expense (Income), Net) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Accounting Policies [Abstract]
Write-off of deposits and pre-acquisition costs	$ 1,241	$ 1,688	$ 3,110	$ 3,152
Loss on debt retirements	0	0	0	8,584
Amortization of intangible assets	3,225	3,275	6,450	6,550
Miscellaneous, net	532	4,361	(3,426)	4,869
Other expense, net	$ 4,998	$ 9,324	$ 6,134	$ 23,155