XML 38 R67.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Stock-Based Compensation Plans - Additional Information (Detail) (USD $) | 1 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended |  |  | 12 Months Ended |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 24, 2007 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 2010 Grant Minimum | Dec. 31, 2010 2010 Grant Minimum | Dec. 31, 2011 2010 Grant Maximum | Dec. 31, 2013 2010 Grant Maximum | Dec. 31, 2013 2013 Grant | Dec. 31, 2012 2012 Grant | Dec. 31, 2011 2011 Grant | Dec. 31, 2005 2005 Stock Incentive Plan | Jun. 14, 2012 2005 Stock Incentive Plan | Jul. 24, 2007 2005 Stock Incentive Plan | Dec. 31, 2013 Employee Stock Purchase Plan 1999 | Dec. 31, 2012 Employee Stock Purchase Plan 1999 | Dec. 31, 2011 Employee Stock Purchase Plan 1999 | Dec. 31, 2013 Restricted share awards (RSAs) | Dec. 31, 2012 Restricted share awards (RSAs) | Dec. 31, 2011 Restricted share awards (RSAs) | Dec. 31, 2013 Restricted share awards (RSAs) S1 Corporation | Dec. 31, 2013 Restricted share awards (RSAs) Minimum | Dec. 31, 2013 Restricted share awards (RSAs) Maximum | Dec. 31, 2013 2002 Non-Employee Director Stock Option Plan | Dec. 31, 2013 1999 Stock Option Plan | Dec. 31, 2013 1999 Stock Option Plan Minimum | Dec. 31, 2013 1999 Stock Option Plan Maximum | Dec. 31, 2013 Stock Options | Dec. 31, 2013 LTIP Performance Shares | Dec. 31, 2012 LTIP Performance Shares | Dec. 31, 2011 LTIP Performance Shares | Dec. 31, 2013 LTIP Performance Shares Minimum | Dec. 31, 2012 LTIP Performance Shares Minimum | Dec. 31, 2011 LTIP Performance Shares Minimum | Dec. 31, 2013 LTIP Performance Shares Maximum | Dec. 31, 2012 LTIP Performance Shares Maximum | Dec. 31, 2011 LTIP Performance Shares Maximum | Dec. 31, 2013 S1 2003 Stock Incentive Plan | Dec. 31, 2012 S1 2003 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized |  |  |  |  |  |  |  |  |  |  |  |  | 7,750,000 | 5,000,000 | 1,500,000 |  |  |  |  |  |  |  |  | 250,000 | 4,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Permitted designation for purchase of common stock under ESPP |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Participating employees are permitted to designate up to the lesser of $25,000, or 10% of their annual base compensation, for the purchase of common stock under the ESPP. Purchases under the ESPP are made one calendar month after the end of each fiscal quarter. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee participating annual base compensation designated for purchase of common stock, amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 25,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee participating annual base compensation designated for purchase of common stock, percent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Price of common stock purchased under ESPP, description |  |  |  |  |  |  |  |  |  |  |  |  |  |  | The price for shares of common stock purchased under the ESPP is 85% of the stock's fair market value on the last business day of the three-month participation period. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Price of common stock purchased under ESPP, percent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 85.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued under ESPP |  | 42,856 | 40,798 | 40,669 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount offered pursuant to ESPP, percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation expense |  | 13,572,000 | 15,186,000 | 11,254,000 |  |  |  |  |  |  |  |  |  |  | 300,000 | 200,000 | 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee stock purchase plan, amended plan start date | May 01, 2008 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee stock purchase plan, amended plan end date | Apr. 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee stock purchase plan term | 10 years |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares of common stock reserved for issuance prior to amendment |  |  |  |  |  |  |  |  |  |  |  | 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Awards granted requisite service period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years | 3 years | 3 years | 4 years | 3 years | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted share awards, vesting increments on anniversary dates of grants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33.00% | 33.00% | 33.00% | 25.00% | 33.00% | 25.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting percentage if employee is terminated without cause within 12 months from acquisition date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock option plan expiration date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2005-03 | 2009-02 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of outstanding options |  | 5 years 8 months 27 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock option vesting period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years | 4 years |  |  |  |  |  |  |  |  |  |  |  |
Incentive plan, percentage of options expected to vest over the vesting period |  | 93.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Incentive plan, weighted-average grant date fair value of stock options granted |  | $ 26.16 | $ 20.56 | $ 14.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Incentive plan, total intrinsic value of stock options exercised |  | 25,500,000 | 17,300,000 | 6,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend yield |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum attainment percentage that may be achieved for LTIP Performance Shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200.00% | 200.00% | 200.00% |  |  |  |  |  |  |  |
LTIP Performance Shares, Performance period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year | 1 year | 1 year | 3 years | 3 years | 3 years |  |
Expected attainment level for the awards granted, percentage |  |  |  |  | 130.00% | 100.00% | 175.00% | 175.00% | 100.00% | 100.00% | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted shares awards, shares vested |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 29,546 | 79,299 | 86,325 |  |  |  |  |  |  |  |  | 327,576 |  |  |  |  |  |  |  |  | 11,866 | 100,685
Restricted shares withheld to pay employees' portion of minimum payroll withholding taxes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,582 | 23,813 | 25,495 |  |  |  |  |  |  |  |  | 112,754 |  |  |  |  |  |  |  |  | 3,769 | 38,167
Unrecognized compensation costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,300,000 |  |  |  |  |  |  |  |  |  | 13,500,000 | 22,000,000 |  |  |  |  |  |  |  |  |  |
Unrecognized compensation costs, weighted-average recognition periods |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year 9 months 18 days |  |  |  |  |  |  |  |  |  | 2 years 4 months 24 days | 2 years 6 months |  |  |  |  |  |  |  |  |  |
Stock-based compensation expenses tax benefits |  | 5,200,000 | 5,500,000 | 4,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from exercises of stock options |  | 19,561,000 | 16,730,000 | 4,478,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actual tax benefit realized from tax deductions of option exercises |  | $ 9,700,000 | $ 6,300,000 | $ 2,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Date the amended term for the Employee Stock Purchase Plan is scheduled to end. + References No definition available. + Details
Name: | aciw_EmployeeStockPurchasePlanEndDate
Namespace Prefix: | aciw_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | instant

X
- Definition Employee Stock Purchase Plan, Purchase Price of Shares + References No definition available. + Details
Name: | aciw_EmployeeStockPurchasePlanPurchasePriceOfShares
Namespace Prefix: | aciw_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the amended term for the Employee Stock Purchase Plan commenced. + References No definition available. + Details
Name: | aciw_EmployeeStockPurchasePlanStartDate
Namespace Prefix: | aciw_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of restricted share awards that vest on each anniversary date from the date of grant. + References No definition available. + Details
Name: | aciw_RestrictedShareAwardsAnniversaryDateVestingPercentage
Namespace Prefix: | aciw_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share Based Compensation Arrangement By Share Based Payment Award Award Expiration Month And Year + References No definition available. + Details
Name: | aciw_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationMonthAndYear
Namespace Prefix: | aciw_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | instant

X
- Definition The highest dollar amount from their salary that an employee is permitted to utilize with respect to the plan. + References No definition available. + Details
Name: | aciw_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSalaryDollars
Namespace Prefix: | aciw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Share based Compensation Arrangement by Share based Payment Award, Number of Shares Authorized, Prior to Amendment + References No definition available. + Details
Name: | aciw_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedPriorToAmendment
Namespace Prefix: | aciw_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Specified period of performance goals related to certain performance metrics. + References No definition available. + Details
Name: | aciw_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriod
Namespace Prefix: | aciw_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Extension of the term of the employee stock purchase plan. + References No definition available. + Details
Name: | aciw_ShareBasedCompensationArrangementEmployeeStockPurchasePlanTermExtension
Namespace Prefix: | aciw_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The expected attainment percentage for the LTIP Performance Shares based upon forecasted sales and operating income. + References No definition available. + Details
Name: | aciw_ShareBasedCompensationArrangementsPerformanceSharesExpectedAttainment
Namespace Prefix: | aciw_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The maximum percentage that can be achieved under the predetermined performance thresholds for the LTIP performance shares. + References No definition available. + Details
Name: | aciw_ShareBasedCompensationArrangementsPerformanceSharesMaximumTarget
Namespace Prefix: | aciw_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of outstanding stock options expected to vest over the remaining vesting period. + References No definition available. + Details
Name: | aciw_ShareBasedCompensationArrangementsStockOptionsExpectedToVest
Namespace Prefix: | aciw_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition If an employee is terminated without cause within 12 months of the acquisition date of S1 Corporation the Transaction RSAs 100% vest. + References No definition available. + Details
Name: | aciw_ShareBasedCompensationArrangementTransactionRestrictedShareAwardsVestingWithinFirstYear
Namespace Prefix: | aciw_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromStockOptionsExercised
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_ShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition General descriptive information regarding an arrangement under which employees and directors receive: (a) awards of equity shares, equity share options, or other equity instruments; or (b) the entity incurs liabilities to them: (1) in amounts based, at least in part, on the price of the entity's shares or other equity instruments; or (2) that require or may require settlement by issuance of the entity's shares. Such an arrangement is usually provided to employees and directors to compensate them, provide performance incentives to them, and to attract or retain their services. May also include pertinent information particular to a plan that is not elsewhere specified in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Discount rate from fair value on offering date that participants pay for shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPriceOfferingDate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Purchase price of common stock expressed as a percentage of its fair value. + References No definition available. + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. + References No definition available. + Details
Name: | us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares issued during the period as a result of an employee stock purchase plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration