Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited)

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Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Operating activities:    
Net income $ 24,440 $ 19,838
Adjustments to reconcile net income to net cash provided by operating activities    
Depreciation and amortization 10,515 10,304
Share-based compensation 3,123 2,955
Loss on disposal of property and equipment 167 0
Provision for loss (recovery) on receivables 111 (28)
Provision for revenue adjustments 927 933
Deferred income taxes 1,437 1,939
Tax benefit for stock options exercised (206) (219)
Changes in operating assets and liabilities    
Accounts receivable (5,173) (7,921)
Prepaid expenses and other current assets (3,128) (1,745)
Accounts payable and accrued expenses (8,293) 6,503
Net cash provided by operating activities 23,920 32,559
Investing activities:    
Proceeds from disposal of property and equipment 736 667
Purchases of property and equipment (18,318) (15,441)
Other (347) 301
Net cash used in investing activities (17,929) (14,473)
Financing activities:    
Payments of debt and capital lease obligations (272) (328)
Proceeds from exercise of stock options 8,445 7,631
Payments of cash dividends (4,072) (4,121)
Common stock issued under employee stock purchase plan 119 128
Cash settlement of share-based awards for minimum tax withholdings (386) 0
Tax benefit for stock options exercised 206 219
Net cash provided by financing activities 4,040 3,529
Net increase in cash 10,031 21,615
Cash at beginning of period 58,801 74,504
Cash at end of period $ 68,832 $ 96,119