Business and Summary of Significant Accounting Policies - Prepaid Expenses and Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Accounting Policies [Abstract]
Prepaid Expenses	$ 75,485	$ 76,118
Assets Held for Sale	8,866	6,976
Deferred Tax Asset	5,912	0
Other Assets	18,881	19,657
Prepaid Expense and Other Assets	$ 109,144	$ 102,751