Accrued Liabilities and Other (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Continuing operations:
Self-insured liability accrual	$ 15,579	$ 14,403
Accrued compensation	8,061	5,538
Accrued restructuring	3,140	4,647
Foreign deferred tax liability	2,024	1,219
Other	6,734	5,900
Total Continuing operations	35,538	31,707
Discontinued operations:
Self-insured liability accrual	5,188	5,351
Environmental remediation liabilities	4,745	4,999
Accrued income taxes	1,053	1,022
Other	1,304	1,133
Total Discontinued operations	12,290	12,505
Total other deferred items and liabilities	$ 47,828	$ 44,212