Earnings Per Share and Shareholders' Equity Transactions (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share and Shareholders’ Equity Transactions [Abstract]

Information Regarding Basic and Diluted Earnings Per Share

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in millions, except per share data)		2014		2013		2014		2013
Basic shares used in the calculation of earnings per share		44.1		44.0		44.0		44.3
Dilutive effect of securities:
Employee stock options		0.4		0.4		0.4		0.3
Non-vested stock grants		0.4		0.4		0.4		0.4
Diluted shares used in the calculation of earnings per share		44.9		44.8		44.8		45.0
Per share effect of dilutive securities on income from continuing operations	$	(0.03)	$	(0.02)	$	(0.06)	$	(0.05)
Per share effect of dilutive securities on income from net income	$	(0.04)	$	(0.02)	$	(0.06)	$	(0.04)