The amount of acquisition cost of a business combination allocated to income tax payable for acquired entities.

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Represents the aggregate cost of additional investments in the variable interest entity.

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Represents the number of shareholders of variable interest entity to whom all revenues were virtually passed through prior to a new contract.

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Represents the outsourcing period for most of the functions of the Transport London (TfL) fare collection system under a contract called "PRESTIGE" (Procurement of Revenue Services, Ticketing, Information, Gates and Electronics).

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 51

-Subparagraph e

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The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Statement of Financial Accounting Standard (FAS)

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The amount of cash and cash equivalents acquired in a business combination.

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The amount of acquisition cost of a business combination allocated to prepaid expenses and other current assets. Does not include amounts allocated to cash and cash equivalents, marketable securities, receivables, inventory, and assets not to be used.

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The amount of acquisition cost of a business combination allocated to other current liabilities of the acquired entity. Does not include amounts allocated to the current portion of long-term debt, accounts payable and accrued expenses.

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The net cash from (used in) the entity's continuing operations. This element specifically EXCLUDES the cash flows derived by the entity from its discontinued operations, if any. This element is only to be used when the entity reports its cash flows attributable to discontinued operations separately from the cash flow provided by or used in operating activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

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The net result for the period of deducting operating expenses from operating revenues.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

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The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

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The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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INVESTMENT IN VARIABLE INTEREST ENTITY (Details) (USD $)	3 Months Ended								12 Months Ended			1 Months Ended	12 Months Ended				1 Months Ended	5 Months Ended	12 Months Ended
	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2009	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2009	Mar. 31, 2010 Transaction Systems Limited (TranSys)	Sep. 30, 2011 Transaction Systems Limited (TranSys)	Sep. 30, 2010 Transaction Systems Limited (TranSys)	Aug. 31, 2010 Transaction Systems Limited (TranSys)	Mar. 05, 2010 Transaction Systems Limited (TranSys)	Mar. 31, 2010 TranSys prior to consolidation	Mar. 05, 2010 TranSys prior to consolidation	Sep. 30, 2009 TranSys prior to consolidation
Investment in variable interest entity
Percentage of common stock owned by the entity (as a percent)												50.00%					37.50%
Outsourcing period for most of the functions of the Transport for London fare collection system under a contract called PRESTIGE (in years)												12
Number of shareholders to whom all revenues were virtually passed through prior to a new contract															2
Amount paid for shares previously held by minority shareholders																$ 100,000
Summarized financial information
Net sales	346,910,000	319,905,000	333,968,000	284,420,000	347,706,000	331,240,000	264,559,000	250,684,000	1,285,203,000.0	1,194,189,000	1,016,657,000		4,400,000	29,900,000				87,300,000	203,000,000
Operating income (loss)	30,304,000	26,787,000	28,045,000	27,199,000	26,383,000	32,636,000	26,132,000	20,374,000	112,335,000	105,525,000	84,708,000		900,000					200,000	(1,700,000)
Net income (loss)									85,078,000	70,636,000	55,686,000							100,000	(1,300,000)
Cash used in operating activities									132,588,000	111,723,000	176,033,000		18,400,000	19,900,000
Fair value of assets and liabilities acquired
Cash and cash equivalents																38,300,000
Other current assets																16,900,000
Purchased intangibles																200,000
Income taxes payable																(20,700,000)
Other current liabilities																(35,800,000)
Fair value of net assets acquired																(1,100,000)
Assets and liabilities included in the entity's consolidated balance sheets
Total assets													400,000	18,800,000
Total liabilities													$ 900,000	$ 19,900,000