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v3.10.0.1

Consolidated Statements of Cash Flows - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net income | $ 47,451 | $ 103,654 | $ 76,238
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation, accretion, and amortization | 672,113 | 643,100 | 638,189
Non-cash asset impairment and decommission costs | 26,192 | 32,423 | 25,693
Non-cash compensation expense | 42,327 | 38,249 | 32,915
Amortization of deferred financing fees | 20,289 | 21,940 | 21,136
Loss (gain) on remeasurement of U.S. denominated intercompany loan | 89,101 | 8,754 | (90,030)
Provision for doubtful accounts | 551 | 2,909 | 22,516
Loss from extinguishment of deb, net | 14,087 | 1,961 | 52,701
Other non-cash items reflected in the Statements of Operations | (14,586) | (4,850) | (1,225)
Changes in operating assets and liabilities, net of acquisitions: |  |  |
AR and costs and est. earnings in excess of billings on uncompleted contracts, net | (29,427) | (20,893) | (7,270)
Prepaid expenses and other assets | (38,040) | (16,888) | (40,289)
Accounts payable and accrued expenses | (3,021) | 3,555 | (10,516)
Other liabilities | 23,581 | 4,556 | 22,467
Net cash provided by operating activities | 850,618 | 818,470 | 742,525
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Acquisitions | (451,829) | (441,547) | (276,835)
Capital expenditures | (149,812) | (147,044) | (139,982)
Purchase of investments | (156,983) | (397) | (100)
Proceeds from sale of investments | 150,890 | 231 | 712
Other investing activities | (10,613) | (16,350) | (12,030)
Net cash used in investing activities | (618,347) | (605,107) | (428,235)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Borrowings under Revolving Credit Facility | 1,120,000 | 525,000 | 580,000
Repayments under Revolving Credit Facility | (835,000) | (875,000) | (190,000)
Repayment of Term Loans | (1,947,000) | (20,000) | (20,000)
Proceeds from issuance of Term Loans, net of fees | 2,377,218 |  |
Proceeds from issuance of Senior Notes, net of fees |  | 741,108 | 1,078,123
Proceeds from issuance of Tower Securities, net of fees | 631,466 | 749,764 | 690,475
Repayment of Tower Securities | (755,000) | (610,000) | (550,000)
Repurchase and retirement of common stock | (795,581) | (854,534) | (545,689)
Other financing activities | 55,360 | 49,088 | 8,394
Net cash used in financing activities | (148,537) | (294,574) | (288,557)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash | (9,729) | (464) | 13,618
NET CHANGE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH | 74,005 | (81,675) | 39,351
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH: |  |  |
Beginning of year | 104,295 | 185,970 | 146,619
End of year | 178,300 | 104,295 | 185,970
Cash paid during the period for: |  |  |
Interest | 376,628 | 319,562 | 338,409
Income taxes | 21,645 | 14,653 | 9,655
SUPPLEMENTAL CASH FLOW INFORMATION OF NON-CASH ACTIVITIES: |  |  |
Assets acquired through capital leases | $ 1,039 | $ 254 | 1,386
Common stock issued in connection with acquisitions |  | 63,313 |
5.625% Senior Notes [Member] |  |  |
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Payment for the redemption of Senior Notes |  |  | (514,065)
5.75% Senior Notes [Member] |  |  |
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Payment for the redemption of Senior Notes |  |  | $ (825,795)

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- Definition The cash outflow to reacquire common stock during the period. + 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 purchase of all investments (debt, security, other) during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -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 Amount of cash inflow from issuance of long-term debt 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 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt. + 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=98514028&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially 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=98514028&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or 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=98514028&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow (outflow) from financing activities 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 8 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3095-108585 Reference 2: 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=98514028&loc=d3e3098-108585 + Details
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- Definition The cash inflow associated with the sale, maturity and collection of all investments such as debt, security and so forth during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -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 cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or 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 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow for the payment of debt classified as other, maturing after one year or 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 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt. + 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=98514028&loc=d3e3291-108585 + Details
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- Definition The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period. + 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=98514028&loc=d3e3291-108585 + 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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