Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEET (Parenthetical)

v2.4.1.9
CONSOLIDATED BALANCE SHEET (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Statement of Financial Position [Abstract]    
Allowance for bad debts $ (11,188)us-gaap_AllowanceForNotesAndLoansReceivableCurrent $ (12,853)us-gaap_AllowanceForNotesAndLoansReceivableCurrent
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 1,201,058us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment $ 1,136,024us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Preferred stock, par value $ 1us-gaap_PreferredStockParOrStatedValuePerShare $ 1us-gaap_PreferredStockParOrStatedValuePerShare
Preferred stock, shares authorized 1,942,000us-gaap_PreferredStockSharesAuthorized 1,942,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares outstanding 0us-gaap_PreferredStockSharesOutstanding 0us-gaap_PreferredStockSharesOutstanding
Common stock, par value $ 0.166667us-gaap_CommonStockParOrStatedValuePerShare $ 0.166667us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized 280,000,000us-gaap_CommonStockSharesAuthorized 280,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 122,045,877us-gaap_CommonStockSharesIssued 120,491,164us-gaap_CommonStockSharesIssued
Common stock, shares outstanding 122,045,877us-gaap_CommonStockSharesOutstanding 120,491,164us-gaap_CommonStockSharesOutstanding