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Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017
Cash flows - operating activities: |  |  |
Net income including noncontrolling interests |  | $ 126,190 | $ 109,398
Adjustments to reconcile net income to net cash (used in) provided by operating activities: |  |  |
Depreciation and amortization |  | 19,233 | 20,354
Amortization of identifiable intangible assets |  | 21,352 | 24,257
Provision for doubtful accounts |  | 7 | 2,543
Deferred income taxes |  | 4,855 | (6,410)
Excess tax benefits from share-based compensation |  | (1,065) | (1,554)
Equity income from unconsolidated entities |  | (290) | (758)
Non-cash expense for impairment of identifiable intangible assets |  | 907 | 0
Distributions from unconsolidated entities |  | 1,847 | 1,829
Other reconciling items |  | 6,531 | 2,208
Changes in operating assets and liabilities, excluding the effect of businesses acquired |  | (212,217) | (49,204)
Net cash (used in) provided by operating activities |  | (32,650) | 102,663
Cash flows - investing activities: |  |  |
Payments for acquisitions of businesses, net of cash acquired |  | (25,207) | (82,724)
Proceeds from sale of property, plant and equipment |  | 605 | 1,629
Purchase of property, plant and equipment |  | (15,914) | (17,668)
Investments in and advances to unconsolidated entities |  | (3,484) | 0
Distributions from unconsolidated entities |  | 83 | 0
Net cash used in investing activities |  | (43,917) | (98,763)
Cash flows - financing activities: |  |  |
Repayments of long-term debt and debt issuance costs |  | (7,634) | (7,601)
Repayments of capital lease obligations |  | (696) | (716)
Dividends paid to stockholders |  | (9,381) | (9,531)
Repurchase of common stock |  | (60,508) | (65,775)
Taxes paid related to net share settlements of equity awards |  | (3,745) | (2,637)
Issuance of common stock under employee stock purchase plan |  | 2,758 | 2,191
Payments for contingent consideration arrangements |  | (3,298) | (1,017)
Net cash used in financing activities |  | (82,504) | (85,086)
Effect of exchange rate changes on cash, cash equivalents and restricted cash |  | (1,121) | 1,739
Decrease in cash, cash equivalents and restricted cash |  | (160,192) | (79,447)
Cash, cash equivalents and restricted cash at beginning of year (1) | [1] | 469,388 | 466,660
Cash, cash equivalents and restricted cash at end of period (2) | [2] | 309,196 | 387,213
Cash paid for: |  |  |
Interest |  | 5,824 | 5,600
Income taxes |  | 71,593 | 67,652
Non-cash financing activities: |  |  |
Assets acquired under capital lease obligations |  | $ 903 | $ 688
[1] | Includes $2.0 million of restricted cash classified as “Prepaid expenses and other” in the Condensed Consolidated Balance Sheet as of December 31, 2017 and 2016.
[2] | Includes $2.6 million and $1.8 million of restricted cash classified as “Prepaid expenses and other” in the Condensed Consolidated Balance Sheet as of June 30, 2018 and 2017, respectively.

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- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + 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 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + 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 (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition The cash inflow associated with the amount received from the stock plan 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 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + 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 for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer). + 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 (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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