Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements Of Cash Flows

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Consolidated Statements Of Cash Flows (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Jan. 31, 2012
Jan. 31, 2011
Cash flows from operating activities:    
Net income $ 42,275 $ 38,535
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 10,367 9,351
Stock-based compensation expense 9,913 11,775
(Gain) loss on disposition of property and equipment (73) 77
Provision for doubtful accounts 5,541 5,983
Gain on cash surrender value of life insurance policies (3,384) (4,395)
Loss (gain) on marketable securities classified as trading 1,954 (4,187)
Change in fair value of acquisition-related contingent consideration (2,196) (1,878)
Deferred income taxes 13,537 1,950
Change in other assets and liabilities:    
Deferred compensation (2,066) 4,758
Receivables and income tax and other receivables (25,878) (41,743)
Prepaid expenses and other assets 2,474 (4,732)
Investment in unconsolidated subsidiaries (1,272) (1,508)
Income taxes payable 2,671 5,466
Accounts payable and accrued liabilities (55,062) 8,522
Other 5,122 (1,332)
Net cash provided by operating activities 3,923 26,642
Cash flows from investing activities:    
Purchase of property and equipment (13,602) (22,384)
Purchase of intangible assets (325)  
Purchase of marketable securities (49,494) (64,346)
Proceeds from sales/maturities of marketable securities 35,466 23,453
Payment of purchase price held back from previous acquisition (800)  
Payment of contingent consideration from acquisitions   (2,795)
Premiums on life insurance policies (1,446) (1,410)
Proceeds from sales of property and equipment 118  
Dividends received from unconsolidated subsidiaries 1,669 1,608
Net cash used in investing activities (28,414) (65,874)
Cash flows from financing activities:    
Borrowings under life insurance policies 364 1,624
Purchase of common stock (4,117) (13,417)
Proceeds from exercise of warrants   2,983
Proceeds from issuance of common stock upon exercise of employee stock options and in connection with an employee stock purchase plan 3,399 8,015
Tax benefit from exercise of stock options 1,676 670
Payment of dividends by majority owned consolidated subsidiaries   (300)
Net cash provided by (used in) financing activities 1,322 (425)
Effect of exchange rate changes on cash and cash equivalents (5,491) 1,733
Net decrease in cash and cash equivalents (28,660) (37,924)
Cash and cash equivalents at beginning of period 246,856 219,233
Cash and cash equivalents at end of period $ 218,196 $ 181,309