Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2011

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share

	2011	2010	2009
	$’M	$’M	$’M
Amounts attributable to Shire plc shareholders
	_________________	_________________	_________________
Income from continuing operations, net of taxes	865.0	588.0	503.8
Loss from discontinued operations	-	-	(12.4)
Net loss attributable to noncontrolling interest in subsidiaries	-	-	0.2
	_________________	_________________	_________________
Numerator for basic earnings per share	865.0	588.0	491.6
Interest on convertible bonds, net of tax 1	33.6	33.5	0.0
	_________________	_________________	_________________
Numerator for diluted earnings per share	898.6	621.5	491.6
	_________________	_________________	_________________

Schedule of Weighted Average Number of Shares

Weighted average number of shares:
	Millions	Millions	Millions
	_________________	_________________	_________________
Basic 2	551.1	546.2	540.7
Effect of dilutive shares:
Share based awards to employees 3	10.9	10.9	7.3
Convertible bonds 2.75% due 2014 4	33.4	33.2	-
	_________________	_________________	_________________
Diluted	595.4	590.3	548.0
	_________________	_________________	_________________

Schedule of Earnings Per Share, Basic and Diluted

Year to December 31,	2011	2010	2009
	_______________	_______________	_______________
Earnings per ordinary share - basic
Earnings from continuing operations attributable to Shire plc shareholders	156.9c	107.7c	93.2c
Loss from discontinued operations attributable to Shire plc shareholders	-	-	(2.3c)
	_______________	_______________	_______________
Earnings per ordinary share attributable to Shire plc shareholders - basic	156.9c	107.7c	90.9c
	_______________	_______________	_______________
Earnings per ordinary share - diluted
Earnings from continuing operations attributable to Shire plc shareholders	150.9c	105.3c	91.9c
Loss from discontinued operations attributable to Shire plc shareholders	-	-	(2.2c)
	_______________	_______________	_______________
Earnings per ordinary share attributable to Shire plc shareholders – diluted	150.9c	105.3c	89.7c
	_______________	_______________	_______________

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

	2011	2010	2009
	No. of shares	No. of shares	No. of shares
	Millions	Millions	Millions
	_________________	_________________	_________________
Share awards1	2.9	5.4	16.4
Convertible bonds 2.75% due 20142	-	-	33.2
	_________________	_________________	_________________