| Sep 30, 2011 | Sep 30, 2012 | Sep 30, 2013 | Sep 30, 2014 | Sep 30, 2015 | Sep 30, 2016 | Sep 30, 2017 | Sep 30, 2018 | Sep 30, 2019 | Sep 30, 2020 | Sep 30, 2021 | Sep 30, 2022 | Sep 30, 2023 | Sep 30, 2024 |
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| Net loss | - | - | - | - | - | - | - | -4 | 8 | 1 | 4 | -27 | -2 | -12 |
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| Depreciation and amortization | 7 | 3 | 3 | 3 | 3 | 5 | 6 | 6 | 7 | 7 | 8 | 9 | 9 | 9 |
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| Stock-based compensation | - | - | - | - | - | - | - | - | 5 | 5 | 6 | 7 | 8 | 8 |
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| Noncash lease expense | - | - | - | - | - | - | - | - | - | - | 0 | 1 | 1 | 1 |
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| Amortization of debt issuance costs | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 |
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| Provision for credit losses | - | - | - | - | - | - | 0 | 0 | 0 | 0 | -0 | 0 | 0 | 0 |
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| Contingent consideration (gain) expense | - | - | - | - | - | 2 | -0 | 1 | -0 | - | - | - | -1 | - |
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| Deferred taxes | -6 | -1 | -0 | -0 | 0 | 0 | 1 | -2 | -1 | -1 | 2 | 5 | -0 | -0 |
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| Other | - | - | - | - | - | -0 | - | -0 | -0 | -0 | -0 | -0 | -0 | 1 |
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| Accounts receivable and contract assets | - | - | - | - | - | - | - | - | 2 | -3 | 2 | 2 | 1 | 5 |
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| Inventories | 1 | 0 | -0 | -1 | 0 | 0 | -0 | 1 | 1 | 1 | 1 | 5 | 3 | 0 |
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| Prepaids and other | -0 | -0 | 0 | 0 | -0 | -0 | 1 | 2 | 2 | -0 | 2 | 1 | - | -5 |
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| Accounts payable | - | - | - | - | - | - | - | - | -1 | -0 | 0 | 2 | -0 | -0 |
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| Accrued liabilities | - | - | - | - | - | - | - | - | -2 | 2 | 1 | 0 | -1 | -1 |
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| Income taxes | 1 | 6 | -1 | 0 | -0 | 0 | -0 | -1 | 1 | -2 | 0 | -1 | 3 | 2 |
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| Deferred revenue | - | - | - | - | - | - | - | - | -4 | -1 | -1 | -6 | -2 | -5 |
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| Net cash provided by (used in) operating activities | 20 | 18 | - | - | - | - | - | 34 | 8 | 14 | 15 | -17 | 11 | 0 |
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| Purchases of property and equipment | 3 | 1 | 2 | 2 | 2 | 8 | 6 | 9 | 6 | 4 | 5 | 3 | 3 | 3 |
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| Payment for acquisition of intangible assets | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - |
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| Purchases of available-for-sale securities | 51 | 44 | - | - | - | - | - | - | - | - | - | - | 4 | 25 |
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| Maturities of available-for-sale securities | - | - | - | - | - | - | - | - | - | - | - | - | - | 26 |
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| Purchase of business, net of acquired cash | 6 | - | - | - | - | 26 | - | - | - | - | 40 | - | - | - |
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| Net cash (used in) provided by investing activities | -9 | 30 | - | - | - | - | - | -23 | 10 | -9 | -25 | 6 | -7 | -3 |
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| Payments on short-term borrowings | - | - | - | - | - | - | - | - | - | - | - | - | 10 | - |
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| Proceeds from issuance of long-term debt | - | - | - | - | - | - | - | - | - | - | - | - | 30 | - |
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| Payment of debt issuance costs | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - |
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| Issuance of common stock | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 1 | 2 | 3 | 1 | 1 | 1 |
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| Payments for taxes related to net share settlement of equity awards | - | - | - | - | - | - | - | 5 | 3 | 3 | 3 | 1 | 1 | 2 |
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| Payments for acquisition of in-process research and development | - | - | - | - | - | - | - | - | - | 1 | 0 | 1 | 1 | 1 |
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| Payments for acquisition-related deferred consideration | - | - | - | - | - | - | - | 1 | 9 | 3 | - | - | - | 2 |
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| Net cash (used in) provided by financing activities | 1 | -55 | - | - | - | - | - | -3 | -11 | -5 | 10 | -0 | 18 | -3 |
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| Effect of exchange rate changes on cash | - | - | - | - | - | - | - | -0 | -0 | 0 | -0 | -1 | 0 | 0 |
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| Net change in cash and cash equivalents | - | - | - | - | - | - | - | 7 | 7 | 0 | 0 | -12 | 22 | -5 |
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| Income Taxes Paid, Net | 1 | 2 | 7 | 6 | 7 | 7 | 2 | 1 | 0 | 0 | 0 | 0 | 3 | 3 |
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| Cash paid for interest | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 3 | 3 |
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| Acquisition of property and equipment, net of refundable credits in other current assets and liabilities | - | - | - | - | - | - | - | 1 | 0 | - | - | - | 0 | - |
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| Acquisition of property and equipment funded through accounts payable and accrued liabilities | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 |
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| Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | - | - | - | - | - | - | - | - | - | 1 | 0 | 2 | - | 1 |
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| Noncash or Part Noncash Acquisition, Debt Assumed | - | - | - | - | - | - | - | - | - | - | 4 | - | - | - |
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