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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Feb. 28, 2013 | Feb. 29, 2012 | Feb. 28, 2011
Cash provided (used) by operating activities: |  |  |
Net income | $ 115,666 | $ 110,374 | $ 93,305
Adjustments to reconcile net income to net cash provided by operating activities |  |  |
Depreciation and amortization | 35,328 | 30,178 | 18,502
Provision for doubtful receivables | 188 | 548 | 865
Non-cash share-based compensation | 5,913 | 2,928 | 2,017
Intangible asset impairment charges |  |  | 2,161
(Gain) loss on the sale of property and equipment | 175 | (537) | 22
Realized and unrealized loss on investments |  | 697 |
Write off of deferred finance costs due to early extinguishment of debt |  |  | 92
Deferred income taxes and tax credits | (12,061) | 5,070 | 2,219
Changes in operating capital, net of effects of acquisition of businesses: |  |  |
Receivables | (24,624) | (7,368) | (166)
Inventories | (34,625) | (28,912) | (26,049)
Prepaid expenses and other current assets | (1,545) | (1,927) | (75)
Other assets and liabilities, net | (326) | 189 | (917)
Accounts payable | 2,507 | (3,476) | (8,130)
Accrued expenses and other current liabilities | 1,360 | (4,874) | 8,479
Accrued income taxes | (398) | 990 | (4,895)
Net cash provided by operating activities | 87,558 | 103,880 | 87,430
Cash provided (used) by investing activities: |  |  |
Capital and intangible asset expenditures | (14,688) | (16,051) | (4,629)
Proceeds from the sale of property and equipment | 26 | 2,339 | 78
Note receivable from land sale | 737 | (733) |
Proceeds from sale of investments |  | 22,421 | 350
Payments to acquire businesses, net of cash received |  | (160,000) | (336,240)
Net cash used by investing activities | (13,925) | (152,024) | (340,441)
Cash provided (used) by financing activities: |  |  |
Proceeds from line of credit | 234,650 | 1,369,850 | 94,000
Repayment of line of credit | (323,750) | (1,269,750) | (23,000)
Proceeds from issuance of long-term debt |  |  | 100,000
Repayments of long-term debt | (3,000) | (53,000) | (3,000)
Payments of financing costs | (28) | (499) | (3,898)
Proceeds from exercise of stock options and employee stock purchases, including tax benefits | 10,392 | 8,688 | 7,594
Payment of tax obligations resulting from cashless option exercises |  | (12,591) |
Payments for repurchases of common stock | (1,759) |  | (1,799)
Share-based compensation tax benefit | 858 | 99 | 99
Net cash provided (used) by financing activities | (82,637) | 42,797 | 169,996
Net decrease in cash and cash equivalents | (9,004) | (5,347) | (83,015)
Cash and cash equivalents, beginning balance | 21,846 | 27,193 | 110,208
Cash and cash equivalents, ending balance | 12,842 | 21,846 | 27,193
Supplemental cash flow information: |  |  |
Interest paid | 11,681 | 12,719 | 8,632
Income taxes paid, net of refunds | 26,449 | (797) | 11,226
Value of common stock received as exercise price of options | 1,627 | 27,482 | 226
Transfer of auction rate securities from non-current assets to investments |  | $ 18,950 |

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