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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Cash Flows from Operating Activities: |  |  |  |  |  |
Net income | $ 436,283 |  | $ 163,820 |  | $ 158,027 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |
Depreciation, depletion, and amortization | 217,918 |  | 175,384 |  | 162,839 |
Share-based compensation expense | 14,761 |  | 11,687 |  | 9,736 |
Deferred income tax provision (benefit) | (163,550) |  | 183,202 |  | 27,347 |
Alternative energy tax credits | 76,281 |  | (76,281) |  | 0 |
Loss on disposals of property, plant and equipment | 9,377 |  | 7,298 |  | 7,137 |
Loss on early extinguishment of debt | 0 |  | 21,296 |  | 0 |
Pension and postretirement benefits expense, net of contributions | 18,525 |  | 1,687 |  | 5,726 |
Other, net | (1,008) |  | (3,090) |  | (4,761) |
Increase in assets - |  |  |  |  |  |
Accounts receivable | (31,191) |  | (24,995) |  | (16,946) |
Inventories | 33,304 |  | (12,212) |  | (8,333) |
Prepaid expenses and other current assets | (1,914) |  | (835) |  | (616) |
Increase (decrease) in liabilities - |  |  |  |  |  |
Accounts payable | 54,222 |  | (40,448) |  | (694) |
Accrued liabilities | (54,807) |  | (2,308) |  | 6,052 |
Net cash provided by operating activities | 608,201 |  | 404,205 |  | 345,514 |
Cash Flows from Investing Activities: |  |  |  |  |  |
Additions to property, plant and equipment | (234,422) | [1],[2] | (128,524) | [1] | (280,213) | [1]
Acquisitions of businesses, net of cash acquired | (1,174,506) |  | (35,393) |  | (57,340) |
Treasury grant proceeds | 0 |  | 57,399 |  | 0 |
Additions to other long term assets | (3,134) |  | (1,070) |  | (13,055) |
Other | 654 |  | 78 |  | 443 |
Net cash used for investing activities | (1,411,408) |  | (107,510) |  | (350,165) |
Cash Flows from Financing Activities: |  |  |  |  |  |
Proceeds from long-term debt | 1,998,145 |  | 397,044 |  | 150,000 |
Repayments of debt | (1,074,774) |  | (437,184) |  | (670) |
Financing costs paid | (19,419) |  | (876) |  | (2,041) |
Settlement of treasury lock | 0 |  | (65,500) |  | 9,910 |
Common stock dividends paid | (109,145) |  | (117,851) |  | (76,012) |
Repurchases of common stock | (7,799) |  | (45,162) |  | (125,027) |
Proceeds from exercise of stock options | 2,848 |  | 19,898 |  | 7,016 |
Excess tax benefits from share-based awards | 7,802 |  | 4,016 |  | 1,232 |
Shares withheld to cover employee restricted stock taxes | (10,955) |  | 0 |  | 0 |
Other | 71 |  | 0 |  | 0 |
Net cash provided by (used for) financing activities | 786,774 |  | (245,615) |  | (35,592) |
Net (decrease) increase in cash and cash equivalents | (16,433) |  | 51,080 |  | (40,243) |
Cash and cash equivalents, beginning of year | 207,393 |  | 156,313 |  | 196,556 |
Cash and cash equivalents, end of year | $ 190,960 |  | $ 207,393 |  | $ 156,313 |
[1] | Includes "Expenditures for property and equipment" and excludes cash used for "Acquisition of businesses and facilities, net of cash acquired" as reported on our Consolidated Statements of Cash Flows.
[2] | On October 25, 2013, we acquired Boise. The 2013 results include Boise for the period of October 25 through December 31, 2013.

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- Definition Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. + 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=31042434&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 -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 (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow for acquisition of or capital improvements on other tangible or intangible assets not otherwise defined in the taxonomy. + 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=31042434&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 -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=31042434&loc=d3e3213-108585 + 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 -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 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + 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=31042434&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=31042434&loc=d3e3098-108585 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + 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 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + 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 -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 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: 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=31042434&loc=d3e3255-108585 + Details
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- Definition The cash outflow associated with security instruments that either represent a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes repayments of (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c). + 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 15 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=31042434&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=31042434&loc=d3e3602-108585 + Details
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