XML 28 R35.htm IDEA: XBRL DOCUMENT v2.4.0.6

Summary of Movement in Non-Vested Share Options (Detail) (Stock Option, USD $)	3 Months Ended
	Mar. 31, 2013
Stock Option
Number of Shares
Beginning Balance	2,094,533
Granted	12,450
Vested	(455,900)
Forfeited	(101,966)
Ending Balance	1,549,117
Weighted Average Exercise Price
Beginning balance	$ 22.43
Granted	$ 31.49
Vested	$ 25.59
Forfeited	$ 23.34
Ending balance	$ 21.51
Weighted Average Fair Value
Beginning Balance	$ 9.17
Granted	$ 11.76
Vested	$ 9.90
Forfeited	$ 8.95
Ending Balance	$ 8.95

X

- Definition

ShareBased Compensation Arrangement By Share Based Payment Award Nonvested Options Forfeited In Period

+ References

No definition available.

+ Details

Name:	iclr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsForfeitedInPeriod
Namespace Prefix:	iclr_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Options, Forfeited in Period Weighted Average Exercise Price

+ References

No definition available.

+ Details

Name:	iclr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsForfeitedInPeriodWeightedAverageExercisePrice
Namespace Prefix:	iclr_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Options, Forfeited in Period, Weighted Average Grant Date Fair Value

+ References

No definition available.

+ Details

Name:	iclr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	iclr_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Options, Granted in Period Weighted Average Exercise Price

+ References

No definition available.

+ Details

Name:	iclr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsGrantedInPeriodWeightedAverageExercisePrice
Namespace Prefix:	iclr_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Options, Granted in Period, Weighted Average Grant Date Fair Value

+ References

No definition available.

+ Details

Name:	iclr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsGrantedInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	iclr_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share based Compensation Arrangement by Share based Payment Award, Nonvested Options, Grants in Period

+ References

No definition available.

+ Details

Name:	iclr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsGrantsInPeriod
Namespace Prefix:	iclr_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	iclr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsOutstandingExercisePriceAbstract
Namespace Prefix:	iclr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Options, Outstanding, Number

+ References

No definition available.

+ Details

Name:	iclr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsOutstandingNumber
Namespace Prefix:	iclr_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Options, Outstanding Weighted Average Exercise Price

+ References

No definition available.

+ Details

Name:	iclr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsOutstandingWeightedAverageExercisePrice
Namespace Prefix:	iclr_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Options, Vested in Period

+ References

No definition available.

+ Details

Name:	iclr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsVestedInPeriod
Namespace Prefix:	iclr_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Options, Vested in Period Weighted Average Exercise Price

+ References

No definition available.

+ Details

Name:	iclr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsVestedInPeriodWeightedAverageExercisePrice
Namespace Prefix:	iclr_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Options, Vested in Period, Weighted Average Grant Date Fair Value

+ References

No definition available.

+ Details

Name:	iclr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsVestedInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	iclr_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Options Outstanding, Weighted Average Grant Date Fair Value

+ References

No definition available.

+ Details

Name:	iclr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsWeightedAverageGrantDateFairValue
Namespace Prefix:	iclr_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	iclr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsWeightedAverageGrantDateFairValueAbstract
Namespace Prefix:	iclr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	iclr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedRollForward
Namespace Prefix:	iclr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration