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ACQUISITIONS Pro Forma Impact of Acquisitions (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Business Acquisition [Line Items]    
Interest expense $ 10,499 $ 6,478
Amortization expense (1,703) (2,082)
Income tax benefit (expense) (3,491) 224
All current acquirees
   
Business Acquisition [Line Items]    
Revenues 239,643 225,560
Loss from continuing operations, net of income taxes (25,422) (8,524)
Basic loss per share from continuing operations $ (0.37) $ (0.15)
Diluted loss per share from continuing operations $ (0.37) $ (0.15)
Interest expense 0 504
Amortization expense 0 (600)
Income tax benefit (expense) $ 0 $ (1,285)