Earnings (Loss) Per Share Data (Tables)

3 Months Ended

Mar. 31, 2013

Weighted Average Stock Price to include additional shares in diluted share calculation [Table Text Block]

The Company is required to include additional shares in its diluted shares outstanding calculation based on the treasury stock method when the average Omnicare stock market price for the applicable period exceeds the following amounts:



Convertible Debt	Price
3.75% convertible senior subordinated notes, due 2025	$	27.11
4.00% junior subordinated convertible debentures, due 2033	$	40.82
3.25% convertible senior debentures, due 2035	$	78.49
3.75% convertible senior subordinated notes, due 2042	$	41.26

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following is a reconciliation of the basic and diluted earnings per share (“EPS”) computations for both the numerator and denominator (in thousands, except per share data):



	For the three months ended March 31,
2013:	Income (Numerator)		Common Shares(Denominator)	Per Common Share Amounts
Basic EPS
Net income	54,354		103,210	$	0.53
Effect of Dilutive Securities
Convertible securities	71		3,753
Stock options, warrants, units and awards	—		503
Diluted EPS
Net income plus assumed conversions	$	54,425	107,466	$	0.51
2012:
Basic EPS
Net income	55,739		111,487	$	0.50
Effect of Dilutive Securities
Convertible securities	71		4,320
Stock options, warrants, units and awards	—		693
Diluted EPS
Net income plus assumed conversions	$	55,810	116,500	$	0.48