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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Cash flows from operating activities: |  |  |
Net earnings | $ 284,608 us-gaap_ProfitLoss | $ 256,299 us-gaap_ProfitLoss | $ 212,619 us-gaap_ProfitLoss
Adjustments to reconcile net earnings to net cash provided by operations: |  |  |
Depreciation and amortization | 169,312 us-gaap_DepreciationDepletionAndAmortization | 164,437 us-gaap_DepreciationDepletionAndAmortization | 145,147 us-gaap_DepreciationDepletionAndAmortization
Provision (credit) for doubtful accounts | 3,577 us-gaap_ProvisionForDoubtfulAccounts | 1,260 us-gaap_ProvisionForDoubtfulAccounts | (42)us-gaap_ProvisionForDoubtfulAccounts
Provision for deferred income taxes | 77,976 us-gaap_DeferredIncomeTaxExpenseBenefit | 103,056 us-gaap_DeferredIncomeTaxExpenseBenefit | 77,005 us-gaap_DeferredIncomeTaxExpenseBenefit
Loss (gain) on disposition of assets | (781)us-gaap_GainLossOnDispositionOfAssets | (888)us-gaap_GainLossOnDispositionOfAssets | 14 us-gaap_GainLossOnDispositionOfAssets
Equity in earnings of affiliates, net of distributions and contributions | (384)us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions | (348)us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions | 1,874 us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
Amortization of unearned share-based compensation | 11,591 us-gaap_ShareBasedCompensation | 11,621 us-gaap_ShareBasedCompensation | 9,796 us-gaap_ShareBasedCompensation
Amortization of scheduled major maintenance costs | 16,409 us-gaap_OtherNoncashIncomeExpense | 9,029 us-gaap_OtherNoncashIncomeExpense | 3,924 us-gaap_OtherNoncashIncomeExpense
Increase (decrease) in cash flows resulting from changes in: |  |  |
Accounts receivable | (176,544)us-gaap_IncreaseDecreaseInAccountsReceivable | 2,235 us-gaap_IncreaseDecreaseInAccountsReceivable | (8,744)us-gaap_IncreaseDecreaseInAccountsReceivable
Inventory | (56,468)us-gaap_IncreaseDecreaseInInventories | 43,275 us-gaap_IncreaseDecreaseInInventories | (46,372)us-gaap_IncreaseDecreaseInInventories
Other assets | (11,783)us-gaap_IncreaseDecreaseInOtherOperatingAssets | (47,526)us-gaap_IncreaseDecreaseInOtherOperatingAssets | (5,180)us-gaap_IncreaseDecreaseInOtherOperatingAssets
Income taxes payable | (4,544)us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable | 313 us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable | (4,347)us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable
Accounts payable | 44,645 us-gaap_IncreaseDecreaseInAccountsPayable | 23,088 us-gaap_IncreaseDecreaseInAccountsPayable | (10,484)us-gaap_IncreaseDecreaseInAccountsPayable
Accrued and other liabilities | 81,295 us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities | 35,181 us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities | (49,480)us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
Net cash provided by operating activities | 438,909 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 601,032 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 325,730 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Cash flows from investing activities: |  |  |
Capital expenditures | (355,144)us-gaap_PaymentsToAcquireProductiveAssets | (253,227)us-gaap_PaymentsToAcquireProductiveAssets | (312,167)us-gaap_PaymentsToAcquireProductiveAssets
Acquisitions of businesses and marine equipment, net of cash acquired | (31,800)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | (3,643)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | (380,925)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Proceeds from disposition of assets | 10,393 us-gaap_ProceedsFromSaleOfProductiveAssets | 33,982 us-gaap_ProceedsFromSaleOfProductiveAssets | 19,651 us-gaap_ProceedsFromSaleOfProductiveAssets
Net cash used in investing activities | (376,551)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (222,888)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (673,441)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Cash flows from financing activities: |  |  |
Borrowings (payments) on bank credit facilities, net | 75,550 us-gaap_ProceedsFromLinesOfCredit | (150,960)us-gaap_ProceedsFromLinesOfCredit | 97,110 us-gaap_ProceedsFromLinesOfCredit
Borrowings on long-term debt | 0 us-gaap_ProceedsFromIssuanceOfLongTermDebt | 225,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt | 275,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt
Payments on long-term debt, net | (108,000)us-gaap_RepaymentsOfLongTermDebt | (460,000)us-gaap_RepaymentsOfLongTermDebt | (39,005)us-gaap_RepaymentsOfLongTermDebt
Return of investment to noncontrolling interests | (3,192)us-gaap_PaymentsToMinorityShareholders | (3,857)us-gaap_PaymentsToMinorityShareholders | (2,728)us-gaap_PaymentsToMinorityShareholders
Proceeds from exercise of stock options | 7,519 us-gaap_ProceedsFromStockOptionsExercised | 6,635 us-gaap_ProceedsFromStockOptionsExercised | 8,932 us-gaap_ProceedsFromStockOptionsExercised
Purchase of treasury stock | (15,321)us-gaap_PaymentsForRepurchaseOfCommonStock | 0 us-gaap_PaymentsForRepurchaseOfCommonStock | 0 us-gaap_PaymentsForRepurchaseOfCommonStock
Payment of contingent liability | (4,756)kex_PaymentOfContingentLiability | (5,000)kex_PaymentOfContingentLiability | 0 kex_PaymentOfContingentLiability
Excess tax benefit from equity compensation plans | 6,119 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 3,001 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 3,212 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Net cash provided by (used in) financing activities | (42,081)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | (385,181)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | 342,521 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Increase (decrease) in cash and cash equivalents | 20,277 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (7,037)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (5,190)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents, beginning of year | 4,022 us-gaap_CashAndCashEquivalentsAtCarryingValue | 11,059 us-gaap_CashAndCashEquivalentsAtCarryingValue | 16,249 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents, end of year | 24,299 us-gaap_CashAndCashEquivalentsAtCarryingValue | 4,022 us-gaap_CashAndCashEquivalentsAtCarryingValue | 11,059 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash paid during the year: |  |  |
Interest | 19,622 us-gaap_InterestPaidNet | 21,393 us-gaap_InterestPaidNet | 21,364 us-gaap_InterestPaidNet
Income taxes | 90,460 us-gaap_IncomeTaxesPaidNet | 46,136 us-gaap_IncomeTaxesPaidNet | 52,105 us-gaap_IncomeTaxesPaidNet
Noncash investing activity: |  |  |
Stock issued in acquisitions | 0 us-gaap_StockIssued1 | 0 us-gaap_StockIssued1 | 29,080 us-gaap_StockIssued1
Cash acquired in acquisitions | $ 0 us-gaap_CashAcquiredFromAcquisition | $ 0 us-gaap_CashAcquiredFromAcquisition | $ 2,301 us-gaap_CashAcquiredFromAcquisition

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- Definition Other income (expense) included in net income that results in no cash inflows or outflows in the period. Includes noncash adjustments to reconcile net income (loss) to cash provided by (used in) operating activities that are not separately disclosed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph f -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591551-111686 + Details
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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 5 -Article 5 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The fair value of stock issued in noncash financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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