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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2018 | Oct. 01, 2017
Cash flows from operating activities: |  |
Net income | $ 50,867 | $ 39,029
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 30,777 | 34,650
Provision for doubtful accounts | 10,140 | 6,321
Stock-based compensation | 9,552 | 6,161
Deferred income taxes | 2,638 | 4,890
Other operating activities | 526 | 2,724
Changes in operating assets and liabilities: |  |
Accounts receivable | (17,960) | (34,198)
Income tax receivable | (5,389) | 12,788
Other assets | (12,110) | 6,306
Accounts payable and other accrued expenses | 1,624 | (784)
Accrued wages and benefits | 4,724 | (176)
Workers’ compensation claims reserve | (8,405) | 1,985
Other liabilities | 1,642 | 1,086
Net cash provided by operating activities | 68,626 | 80,782
Cash flows from investing activities: |  |
Capital expenditures | (10,313) | (16,303)
Acquisition of business | (22,742) | 0
Divestiture of business | 10,414 | 0
Purchases of restricted investments | (11,747) | (36,015)
Maturities of restricted investments | 17,021 | 15,042
Net cash used in investing activities | (17,367) | (37,276)
Cash flows from financing activities: |  |
Payments for Repurchase of Common Stock | (24,818) | (29,371)
Net proceeds from employee stock purchase plans and stock options exercised | 1,146 | 1,179
Common stock repurchases for taxes upon vesting of restricted stock | (2,539) | (2,956)
Net change in revolving credit facility | 12,000 | (1,099)
Payments on debt | (22,855) | (1,700)
Payment of contingent consideration at acquisition date fair value | 0 | (18,300)
Net cash used in financing activities | (37,066) | (52,247)
Effect of exchange rate changes on cash, cash equivalents and restricted cash | (583) | 364
Net change in cash, cash equivalents and restricted cash | 13,610 | (8,377)
Cash, cash equivalents and restricted cash, beginning of period | 73,831 | 103,222
Cash, cash equivalents and restricted cash, end of period | 87,441 | 94,845
Supplemental Cash Flow Information [Abstract] |  |
Interest | 3,395 | 2,612
Income taxes | 9,832 | (2,972)
Property, plant, and equipment purchased but not yet paid | 1,229 | 2,863
Divestiture non-cash consideration | $ 971 | $ 0

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- Definition The cash outflow to acquire investments (not to include restricted cash) that are pledged or subject to withdrawal restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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- Definition This element represents the cash inflow during the period from the sale of a component of the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition Amount of cash inflow from issuance of shares under share-based compensation arrangement. Issuance includes, but is not limited to, exercise of stock options and similar instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109197908&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition The net cash inflow or cash outflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
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- Definition The cash inflow associated with the sale of investments that are pledged or subject to withdrawal restrictions during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130534-203044 + Details
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- Definition The cash outflow associated with security instruments that either represent a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes repayments of (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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