Income Taxes - Components Of Income (Loss) From Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
United States	$ 179,928	$ 202,067	$ 63,930
Canada	37,131	46,191	39,038
Other Foreign	(54,993)	(24,885)	56,903
(Loss) Income from Continuing Operations Before Provision (Benefit) for Income Taxes and Gain on Sale of Real Estate	$ 162,066	$ 223,373	$ 159,871