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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income | $ 45,292 | $ 107,936 | $ 87,296
Adjustments to reconcile net income to net cash from operating activities: |  |  |
Depreciation | 37,919 | 40,216 | 43,383
Amortization of intangible assets and debt issuance costs | 5,810 | 15,756 | 16,027
Share-based compensation expense | 9,477 | 18,615 | 6,623
Excess income tax benefit from share-based compensation | (186) | (787) | (1,148)
Deferred income taxes | 22,214 | 21,460 | 9,009
Loss on sale of investments |  | 1,786 |
(Gain) loss on sale of property and equipment | (2,909) | 801 | 49
Other long-term liabilities | 28,912 | 3,074 | 23,107
Other non-cash items | (3,680) | 3,273 | (3,719)
Changes in other components of working capital | (128,777) | (268,808) | (129,899)
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES | 14,072 | (56,678) | 50,728
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |
Acquisition of property and equipment excluding financed purchases | (35,912) | (75,013) | (42,360)
Proceeds from sale of property and equipment | 4,980 | 5,335 | 2,663
Proceeds from sale of available-for-sale securities |  | 44,497 |
Change in restricted cash | (1,483) | (1,776) | (3,877)
NET CASH USED IN INVESTING ACTIVITIES | (32,415) | (26,957) | (43,574)
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |
Proceeds from debt | 1,013,205 | 1,156,739 | 653,280
Repayment of debt | (1,054,371) | (1,026,349) | (676,795)
Business acquisition-related payments |  | (26,430) | (31,038)
Excess income tax benefit from share-based compensation | 186 | 787 | 1,148
Issuance of common stock and effect of cashless exercise | (808) | (1,771) | (1,882)
Debt issuance costs |  | (3,681) |
NET CASH (USED IN) PROVIDED BY FINANCING ACTIVITIES | (41,788) | 99,295 | (55,287)
Net (decrease) increase in cash and cash equivalents | (60,131) | 15,660 | (48,133)
Cash and cash equivalents at beginning of year | 135,583 | 119,923 | 168,056
Cash and cash equivalents at end of year | $ 75,452 | $ 135,583 | $ 119,923

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- Definition The cash inflow associated with the amount received from holders exercising their stock options, net of the cash outflow paid by the company to cover an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. This item inherently excludes any excess tax benefit which the company may have realized and reported separately. + References No definition available. + Details
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- Definition This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26805-111562 + Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3044-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 230 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49171198&loc=d3e33268-110906 + Details
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