Basis of Presentation (Other Expense (Income), Net) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Accounting Policies [Abstract]
Write-offs of deposits and pre-acquisition costs (Note 2)	$ 2,680	$ 2,541	$ 9,397	$ 12,996
Lease exit and related costs	219	4,644	624	10,589
Amortization of intangible assets	3,450	3,450	10,350	10,350
Interest income	(485)	(887)	(1,917)	(2,659)
Interest expense	101	165	371	526
Equity in loss (earnings) of unconsolidated entities	(415)	(485)	4,154	(4,489)
Miscellaneous, net	(307)	14,189	2,358	15,089
Other expense (income), net	$ 5,243	23,617	$ 25,337	42,402
ImpairmentUnconsolidatedSubsidiary			8017
Litigation Settlement, Expense		$ 15,000		$ 15,000