Earnings Per Share And Shareholders' Equity Transactions (Tables)

3 Months Ended

Mar. 31, 2012

Earnings Per Share And Shareholders' Equity Transactions [Abstract]

Information Regarding Basic And Diluted Earnings Per Share

	Three Months Ended March 31,
(in millions, except per share data)	2012			2011
Basic shares used in the calculation of earnings per share		44.9			45.3
Dilutive effect of securities:
Employee stock options		0.2			0.3
Non-vested stock grants		0.4			0.4
Diluted shares used in the calculation of earnings per share		45.5			46.0
Per share effect of dilutive securities on income from continuing operations and net income	$	(0.02	)	$	(0.01	)