XML 88 R58.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Share-Based Compensation (Details 2) | 12 Months Ended |  | 12 Months Ended |  | 26 Months Ended | 44 Months Ended | 96 Months Ended |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 28, 2013 | Dec. 29, 2012 | Dec. 29, 2012 Options | Dec. 28, 2013 2006 Incentive Plan | Dec. 28, 2013 2006 Incentive Plan On or after April 30, 2010 | Dec. 28, 2013 2006 Incentive Plan On or after March 12, 2008 and before April 30, 2010 | Dec. 28, 2013 2006 Incentive Plan Before March 12, 2008 | Dec. 28, 2013 2006 Incentive Plan Shares approved in 2008 | Dec. 28, 2013 2006 Incentive Plan Shares approved in 2010 | Dec. 28, 2013 2006 Incentive Plan Shares approved in 2012 | Apr. 29, 2010 2006 Incentive Plan Restricted shares or units | Mar. 12, 2008 2006 Incentive Plan Restricted shares or units | Dec. 28, 2013 2006 Incentive Plan Restricted shares or units | Dec. 28, 2013 2006 Incentive Plan Options | Dec. 28, 2013 1998 Plan | Dec. 28, 2013 1998 Plan Options | Dec. 29, 2012 LTIP Options
Share-based compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fungibility ratio (as a percent) |  |  |  |  | 183.00% | 220.00% | 180.00% |  |  |  |  |  |  |  |  |  |
Actual Shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted shares or units granted/reserved |  |  |  |  |  |  |  |  |  |  | 352,932 | 471,827 | 1,196,776 |  |  |  |
Cancellation of restricted shares or units |  |  |  |  |  |  |  |  |  |  | 91,964 | 91,277 | 302,374 |  |  |  |
Shares Using Fungibility Ratio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum shares of common stock issuable |  |  |  | 4,874,000 |  |  |  | 210,000 | 1,464,000 | 2,500,000 |  |  |  |  |  |  |
Shares initially reserved for issuance |  |  |  | 500,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted shares or units granted/reserved increase (decrease), available for grant |  |  |  |  |  |  |  |  |  |  | (776,450) | (849,289) | (2,190,100) |  |  |  |
Cancellation of restricted shares or units increase (decrease), available for grant |  |  |  |  |  |  |  |  |  |  | 202,321 | 164,299 | 553,345 |  |  |  |
Options granted (in shares) | (262,463) | 0 | 0 |  |  |  |  |  |  |  |  |  |  | (916,118) |  |  | 0
Options cancelled (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 183,208 |  |  |
Options forfeited (in shares) | 126,203 |  |  |  |  |  |  |  |  |  |  |  |  | 10,000 |  |  |
Shares available for grant |  |  |  | 1,255,216 |  |  |  |  |  | 1,700,000 |  |  |  |  | 1,000,000 | 0 |

X
- Definition Represents the rate at which each share of the entity's common stock that is underlying any award other than a stock option counts against the maximum number of shares issuable under the share-based compensation plan. + References No definition available. + Details
Name: | crai_ShareBasedCompensationArrangementByShareBasedPaymentAwardFungibilityRatio
Namespace Prefix: | crai_
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 were cancelled and thus add back to the total shares issuable for purposes of the fungibility ratio. + References No definition available. + Details
Name: | crai_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsPeriodIncreaseDecreaseCancelled
Namespace Prefix: | crai_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of equity-based payment instruments, excluding stock (or unit) options that were granted or reserve and thus subtract from the total shares issuable for purposes of the fungibility ratio. + References No definition available. + Details
Name: | crai_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsPeriodIncreaseDecreaseGrantedReserved
Namespace Prefix: | crai_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of shares initially reserved for issuance under the share-based compensation plan. + References No definition available. + Details
Name: | crai_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedInitially
Namespace Prefix: | crai_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | crai_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesUsingFungibilityRatioAbstract
Namespace Prefix: | crai_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ShareBasedArrangementsToObtainGoodsAndServicesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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 Number of shares under non-option equity instrument agreements that were either cancelled or expired. + 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)(1)(iv)(3)-(4) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresAndExpirations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net number of non-option equity instruments granted to participants. + 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)(1)(iv)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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 The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + 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)(1)(iv)(4) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option 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 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration