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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Operating Activities |  |
Net income | $ 99,140 | $ 45,230
Adjustments: |  |
Depreciation and amortization | 210,764 | 200,468
Net deferred income tax expense (benefit) | 827 | (520)
(Gain) loss on derivative instruments not designated as hedges | (14,455) | 28,083
Changes in operating assets and liabilities: |  |
Decrease in trade and other receivables, net | 10,094 | 18,095
Decrease (increase) in inventories | 274 | (2,615)
Increase in prepaid expenses and other assets | (50,524) | (67,772)
Increase in accounts payable | 68,515 | 9,341
Increase in accrued interest | 42,564 | 28,774
Decrease in accrued expenses and other liabilities | (53,108) | (53,681)
Increase in customer deposits | 178,316 | 208,423
Other, net | (14,511) | 12,601
Net cash provided by operating activities | 477,896 | 426,427
Investing Activities |  |
Purchases of property and equipment | (249,840) | (304,644)
Cash received (paid) on settlement of derivative financial instruments | 13,101 | (45,182)
Investments in and loans to unconsolidated affiliates | 0 | (54,250)
Cash received on loans to unconsolidated affiliates | 7,104 | 8,280
Other, net | (7,111) | (3,780)
Net cash used in investing activities | (236,746) | (399,576)
Financing Activities |  |
Debt proceeds | 1,519,000 | 749,800
Debt issuance costs | (22,566) | (16,493)
Repayments of debt | (1,382,270) | (587,111)
Purchase of treasury stock | (200,040) | 0
Dividends paid | (162,890) | (131,745)
Proceeds from exercise of common stock options | 1,345 | 4,615
Other, net | 659 | 587
Net cash (used in) provided by financing activities | (246,762) | 19,653
Effect of exchange rate changes on cash | 1,407 | (6,040)
Net (decrease) increase in cash and cash equivalents | (4,205) | 40,464
Cash and cash equivalents at beginning of period | 121,565 | 189,241
Cash and cash equivalents at end of period | 117,360 | 229,705
Cash paid during the period for: |  |
Interest, net of amount capitalized | $ 18,670 | $ 33,664

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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 -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: 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=56944662&loc=d3e3213-108585 + Details
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- Definition The cash inflow from the collection of money previously advanced to an entity that is related to it but not strictly controlled. + 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 (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3098-108585 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + 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 (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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