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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019
Cash Flows Provided by (Used in) Operating Activities: |  |
Net income | $ 106,268 | $ 90,035
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 33,311 | 25,538
Share-based compensation | 9,038 | 7,485
Loss on extinguishment of debt | 233 |
Loss on sale or abandonment of property and equipment | 320 | 561
Amortization of debt issuance costs | 716 | 779
Provision for bad debt expense | 3,756 | 3,688
Loss from inventory obsolescence | 1,313 | 1,251
Deferred income taxes, net | (38) | (21)
Change in certain assets and liabilities |  |
Receivables, net | 1,894 | (41,489)
Inventories, net | 538 | 17,391
Prepaid expenses and other current assets | 9,151 | 14,969
Accounts payable | (16,390) | (23,823)
Accrued liabilities | 28,188 | (1,131)
Payment of contingent consideration | (413) |
Other, net | 277 | 1,031
Net cash provided by operating activities | 178,162 | 96,264
Cash Flows Provided by (Used in) Investing Activities: |  |
Purchases of property and equipment | (20,937) | (21,982)
Acquisition of businesses | (20,526) |
Proceeds from sale of property and equipment | 763 | 1,961
Other, net |  | 22
Net cash used in investing activities | (40,700) | (19,999)
Cash Flows Provided by (Used in) Financing Activities: |  |
Proceeds from issuance of long-term debt | 300,000 | 4,998
Repayment of long-term debt | (313,407) | (11,364)
Payment of debt issuance costs | (2,280) |
Taxes withheld and paid on employees' equity awards | (13,165) | (8,471)
Repurchase of shares of common stock | (34,152) | (19,499)
Payment of contingent consideration | (428) | (1,091)
Net cash used in financing activities | (63,432) | (35,427)
Cash and Cash Equivalents |  |
Increase for the period | 74,030 | 40,838
Beginning of period | 184,807 | 100,929
End of period | 258,837 | 141,767
Supplemental disclosure of noncash activities: |  |
Leased assets obtained in exchange for new operating lease liabilities | 19,257 | 110,192
Accruals for property and equipment | $ 323 | $ 497

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(5)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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