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CONSOLIDATED STATEMENTS OF OPERATIONS & COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 27, 2015 | Mar. 28, 2014
Revenue from services | $ 573,315 us-gaap_SalesRevenueServicesNet |  | $ 396,063 us-gaap_SalesRevenueServicesNet
Cost of services | 443,479 us-gaap_CostOfServices |  | 296,504 us-gaap_CostOfServices
Gross profit | 129,836 us-gaap_GrossProfit |  | 99,559 us-gaap_GrossProfit
Selling, general and administrative expenses | 111,593 us-gaap_SellingGeneralAndAdministrativeExpense |  | 91,982 us-gaap_SellingGeneralAndAdministrativeExpense
Depreciation and amortization | 10,520 us-gaap_DepreciationAndAmortization |  | 5,161 us-gaap_DepreciationAndAmortization
Income from operations | 7,723 us-gaap_OperatingIncomeLoss |  | 2,416 us-gaap_OperatingIncomeLoss
Interest expense | (1,166)us-gaap_InterestExpense |  | (263)us-gaap_InterestExpense
Interest and other income | 632 us-gaap_InterestAndOtherIncome |  | 607 us-gaap_InterestAndOtherIncome
Interest and other income (expense), net | (534)us-gaap_NonoperatingIncomeExpense |  | 344 us-gaap_NonoperatingIncomeExpense
Income before tax expense | 7,189 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments |  | 2,760 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income tax expense | 1,473 us-gaap_IncomeTaxExpenseBenefit |  | 1,104 us-gaap_IncomeTaxExpenseBenefit
Net income | 5,716 us-gaap_NetIncomeLoss |  | 1,656 us-gaap_NetIncomeLoss
Net income per common share: |  |  |
Basic (in dollars per share) | $ 0.14 us-gaap_EarningsPerShareBasic |  | $ 0.04 us-gaap_EarningsPerShareBasic
Diluted (in dollars per share) | $ 0.14 us-gaap_EarningsPerShareDiluted |  | $ 0.04 us-gaap_EarningsPerShareDiluted
Weighted average shares outstanding: |  |  |
Basic (in shares) | 41,031 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |  | 40,572 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted (in shares) | 41,362 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |  | 40,891 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Other comprehensive income (loss): |  |  |
Foreign currency translation adjustment, net of tax | (1,412)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax |  | (245)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
Unrealized gain on investments, net of tax | 167 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax |  | 48 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
Total other comprehensive loss, net of tax | (1,245)us-gaap_OtherComprehensiveIncomeLossNetOfTax | [1] | (197)us-gaap_OtherComprehensiveIncomeLossNetOfTax
Comprehensive income | $ 4,471 us-gaap_ComprehensiveIncomeNetOfTax |  | $ 1,459 us-gaap_ComprehensiveIncomeNetOfTax
[1] | The tax impact on foreign currency translation adjustment and unrealized gain on marketable securities was de minimis for the period ending March 27, 2015.

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