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Accrued and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Payables and Accruals [Abstract]    
Accrued compensation $ 10,250 $ 25,281
Accrued property and other taxes 19,740 23,790
Accrued severance and other charges 6,150 22,244
Income taxes 6,857 7,385
Accrued inventory 0 5,281
Accrued medical claims 604 4,141
Accrued purchase orders 2,083 5,562
Other 19,266 18,200
Total accrued and other current liabilities $ 64,950 $ 111,884