Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Operations (Unaudited)

v2.4.1.9
Condensed Consolidated Statements of Operations (Unaudited) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Income Statement [Abstract]    
Revenues $ 1,886,956us-gaap_SalesRevenueServicesNet $ 1,762,574us-gaap_SalesRevenueServicesNet
Cost of services (including depreciation) 1,634,295us-gaap_CostOfServices 1,490,503us-gaap_CostOfServices
Gross profit 252,661us-gaap_GrossProfit 272,071us-gaap_GrossProfit
Selling, general and administrative expenses 150,238us-gaap_SellingGeneralAndAdministrativeExpense 173,331us-gaap_SellingGeneralAndAdministrativeExpense
Amortization of intangible assets 8,706us-gaap_AmortizationOfIntangibleAssets 8,245us-gaap_AmortizationOfIntangibleAssets
Operating income 93,717us-gaap_OperatingIncomeLoss 90,495us-gaap_OperatingIncomeLoss
Interest expense (1,400)us-gaap_InterestExpense (982)us-gaap_InterestExpense
Interest income 455us-gaap_InvestmentIncomeInterest 1,545us-gaap_InvestmentIncomeInterest
Other income (expense), net (212)us-gaap_OtherNonoperatingIncomeExpense 643us-gaap_OtherNonoperatingIncomeExpense
Income before income taxes 92,560us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest 91,701us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Provision for income taxes 34,375us-gaap_IncomeTaxExpenseBenefit 33,053us-gaap_IncomeTaxExpenseBenefit
Net income 58,185us-gaap_ProfitLoss 58,648us-gaap_ProfitLoss
Less: Net income attributable to non-controlling interests 4,701us-gaap_NetIncomeLossAttributableToNoncontrollingInterest 4,240us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Net income attributable to common stock $ 53,484us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 54,408us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Earnings per share attributable to common stock - basic and diluted $ 0.25us-gaap_EarningsPerShareBasicAndDiluted $ 0.25us-gaap_EarningsPerShareBasicAndDiluted
Shares used in computing earnings per share:    
Weighted average basic shares outstanding 215,473us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 219,033us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Weighted average diluted shares outstanding 215,490us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 219,075us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding