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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
OPERATING ACTIVITIES |  |  |
Net Income | $ 179,124 | $ 167,369 | $ 152,149
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation, amortization and other non-cash charges | 55,533 | 49,894 | 42,139
Provision for deferred income taxes | 18,636 | (3,248) | 3,493
Stock based compensation expense | 12,399 | 12,415 | 12,110
Excess tax benefits from share-based payments | 0 | (3,699) | (1,946)
Provision for bad debts | 10,455 | 11,257 | 10,113
Changes in assets and liabilities: |  |  |
Trade accounts receivables and other accounts receivables | (13,661) | (15,868) | (12,494)
Financing receivables | (6,527) | (6,133) | (3,630)
Materials and supplies | (837) | (671) | 814
Other current assets | 1,448 | (1,464) | (2,144)
Other non-current assets | (5,137) | (1,934) | 154
Accounts payable and accrued expenses | (25,691) | 13,327 | (2,039)
Unearned revenue | 1,222 | 2,842 | 2,822
Accrued insurance | 4,039 | 2,949 | 126
Pension funding | 0 | (3,256) | (5,000)
Long-term accrued liabilities | 4,367 | 2,745 | (311)
Net cash provided by operating activities | 235,370 | 226,525 | 196,356
INVESTING ACTIVITIES |  |  |
Cash used for acquisitions of companies, net of cash acquired | (130,189) | (46,308) | (33,462)
Capital expenditures | (24,680) | (33,081) | (39,495)
Cash from sale of franchises | 519 | 699 | 767
Derivative Investments | (264) | 0 | 0
Proceeds from sale of assets | 370 | 1,663 | 2,752
Investment tax credits | 69 | 185 | (504)
Net cash used in investing activities | (154,175) | (76,842) | (69,942)
FINANCING ACTIVITIES |  |  |
Payment of dividends | (122,017) | (109,002) | (91,755)
Cash paid for common stock purchased | (8,246) | (31,068) | (7,407)
Excess tax benefits from share-based payments | 0 | 3,699 | 1,946
Net cash used in financing activities | (130,263) | (136,371) | (97,216)
Effect of exchange rate changes on cash | 13,333 | (5,101) | (2,996)
Net increase (decrease) in cash and cash equivalents | (35,735) | 8,211 | 26,202
Cash and cash equivalents at beginning of year | 142,785 | 134,574 | 108,372
Cash and cash equivalents at end of year | 107,050 | 142,785 | 134,574
Supplemental disclosure of cash flow information |  |  |
Cash paid for interest | 0 | 13 | 0
Cash paid for income taxes, net | 90,702 | 88,766 | 82,690
Supplemental Disclosures of Non-Cash Items |  |  |
Non-cash (increases) decreases in the minimum pension liability | 19,000 | 3,000 | 14,800
Non-cash acquisition of assets in business combinations | $ 34,000 | $ 11,400 | $ 100
Business acquisition, shares issued (in shares) |  |  | 873,349
Business acquisition, stock price (in dollars per share) |  |  | $ 18.79
Business acquisition, shares issued |  |  | $ 16,400

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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + 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 (a) -URI http://asc.fasb.org/extlink&oid=98514028&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 -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: 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=98514028&loc=d3e3213-108585 + Details
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- Definition The cash inflow from disposal of asset without physical form usually arising from contractual or other legal rights, excluding goodwill. + References Reference 1: 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=98514028&loc=d3e3179-108585 + Details
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- Definition Amount of cash inflow from the sale of tangible or intangible assets used to produce goods or deliver services, classified as other. + References Reference 1: 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=98514028&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://www.xbrl.org/2003/role/presentationRef -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 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=63488584&loc=d3e20235-122688 Reference 3: 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=98514028&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130543-203045 + 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=98514028&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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