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Other Deferred Liabilities - Schedule of Other Deferred Items and Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Continuing operations:    
Self-insured liability accrual $ 18,066 $ 17,316
Accrued compensation 6,228 8,349
Foreign deferred tax liability 2,194 1,989
Accrued restructuring 1,645 1,919
Other 7,760 7,552
Total continuing operations 35,893 37,125
Discontinued operations:    
Environmental remediation liabilities 4,550 4,666
Self-insured liability accrual 4,477 4,489
Accrued income taxes 1,115 1,085
Other 1,363 1,254
Total discontinued operations 11,505 11,494
Total other deferred items and liabilities $ 47,398 $ 48,619