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v3.10.0.1

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017
Cash Flows from Operating Activities: |  |
Net income | $ 459,380 | $ 400,915
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation & amortization | 222,716 | 223,910
Stock-based compensation expense | 34,716 | 29,053
Gain on sale of assets and businesses | (2,513) | 0
Changes in assets & liabilities, net of effects from acquisitions and dispositions: |  |
Accounts receivable | (64,055) | 941
Accrued interest | 199 | 211
Accrued and deferred income taxes | (42,540) | (5,529)
Other working capital accounts | 8,977 | (93,715)
Other assets and deferred charges | (14,144) | (19,723)
Other | 18,876 | (23,411)
Accrued insurance expense, net of commercial premiums paid | 46,255 | 58,903
Payments made in settlement of self-insurance claims | (38,606) | (37,759)
Net cash provided by operating activities | 629,261 | 533,796
Cash Flows from Investing Activities: |  |
Property and equipment additions, net of disposals | (370,252) | (262,452)
Acquisition of property and businesses | (20,931) | (19,610)
Proceeds received from sales of assets and businesses | 13,502 | 0
Costs incurred for purchase and implementation of information technology applications | (24,087) | (19,448)
Decrease (increase) in capital reserves of commercial insurance subsidiary | 100 | (3,000)
Investment in, and advances to, joint venture | (14,059) | 0
Net cash used in investing activities | (415,727) | (304,510)
Cash Flows from Financing Activities: |  |
Reduction of long-term debt | (82,470) | (45,675)
Additional borrowings | 30,500 | 21,600
Financing costs | (754) | 0
Repurchase of common shares | (134,784) | (147,463)
Dividends paid | (18,804) | (19,280)
Issuance of common stock | 4,959 | 4,927
Profit distributions to noncontrolling interests | (7,914) | (11,430)
Net cash used in financing activities | (209,267) | (197,321)
Effect of exchange rate changes on cash, cash equivalents and restricted cash | (1,138) | 938
Increase in cash, cash equivalents and restricted cash | 3,129 | 32,903
Cash, cash equivalents and restricted cash, beginning of period | 167,297 | 121,950
Cash, cash equivalents and restricted cash, end of period | 170,426 | 154,853
Supplemental Disclosures of Cash Flow Information: |  |
Interest paid | 70,890 | 66,765
Income taxes paid, net of refunds | 182,130 | 216,214
Noncash purchases of property and equipment | $ 91,742 | $ 63,089

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