Other Noncurrent Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Other Liabilities Noncurrent [Abstract]
Restricted Insurance Settlements	$ 26,398	$ 27,720
Uncertain Tax Positions (Includes Interest and Penalties)	16,328	16,285
Environmental reserves	456	934
Acquisition consideration	4,651	5,869
Other (primarily deferred and long-term compensation)	5,034	4,010
Total	$ 52,867	$ 54,818