Other Noncurrent Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Other Liabilities Noncurrent [Abstract]
Restricted Insurance Settlements	$ 21,883	$ 22,874
Uncertain Tax Positions (Includes Interest and Penalties)	7,933	13,332
Deferred And Other Long-Term Compensation	5,550	5,866
Other	520	512
Total	$ 35,886	$ 42,584