CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income	$ (2,938)	$ (7,424)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	(16,917)	(18,064)
Amortization of held-to-maturity investments	1,462	1,415
Bad debt expense	3,679	4,446
Stock-based compensation	4,436	5,388
Excess tax benefit from stock-based compensation	0	(159)
Deferred income taxes	(1,727)	(5,202)
Net training equipment credits earned	(1,348)	(1,257)
Loss on disposal of property and equipment	84	101
Changes in assets and liabilities:
Receivables	(647)	6,611
Prepaid expenses and other current assets	(1,716)	993
Other assets	935	910
Accounts payable and accrued expenses	(7,810)	2,595
Deferred revenue	(14,450)	(16,900)
Income tax payable/receivable	(566)	(11)
Accrued tool sets and other current liabilities	(917)	(42)
Deferred rent liability	(866)	1,176
Other liabilities	284	621
Net cash provided by operating activities	5,378	9,229
Cash flows from investing activities:
Purchase of property and equipment	(6,646)	(6,952)
Proceeds from disposal of property and equipment	54	0
Purchase of investments	(60,138)	(49,312)
Proceeds received upon maturity of investments	51,135	58,317
Increase (Decrease) in Restricted Cash	1,000	0
Net cash used in investing activities	(14,595)	2,053
Cash flows from financing activities:
Payment of cash dividends	(7,356)	(4,936)
Payment of payroll taxes on stock-based compensation through shares withheld	(198)	(412)
Proceeds from issuance of common stock under employee plans	395	399
Excess tax benefit from stock-based compensation	0	159
Purchase of treasury stock	(5,373)	(1,638)
Net cash used in financing activities	(12,532)	(6,428)
Net (decrease) increase in cash and cash equivalents	(21,749)	4,854
Cash and cash equivalents, beginning of period	45,665	53,670
Cash and cash equivalents, end of period	23,916	58,524
Supplemental disclosure of cash flow information:
Taxes paid	4,521	10,235
Training equipment obtained in exchange for services	1,006	1,567
Change in accrued capital expenditures during the period	1,682	166
Construction in progress financed by construction liability during the period	$ 21,326	$ 0

The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.

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