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Accrued Liabilities and Other (Details 1) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Continuing operations:    
Self-insured liability accrual $ 16,055 $ 15,579
Accrued compensation 6,248 8,061
Accrued restructuring 3,778 3,140
Foreign deferred tax liability 2,031 2,024
Other 8,143 6,734
Total Continuing operations 36,255 35,538
Discontinued operations:    
Self-insured liability accrual 5,036 5,188
Environmental remediation liabilities 4,762 4,745
Accrued income taxes 1,061 1,053
Other 1,455 1,304
Total Discontinued operations 12,314 12,290
Total other deferred items and liabilities $ 48,569 $ 47,828