EARNINGS PER SHARE (Tables)

9 Months Ended

Sep. 30, 2012

EARNINGS PER SHARE

Summary of computation of basic and diluted earnings per share

 The table below presents the computation of basic and diluted earnings per share (in millions, except for per share information):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Basic:
Net income	$	69.2	$	51.6	$	202.1	$	173.6
Weighted-average shares outstanding		115.7		114.6		114.9		114.8
Basic earnings per share	$	0.60	$	0.45	$	1.76	$	1.51
Diluted:
Net income	$	69.2	$	51.6	$	202.1	$	173.6
Weighted-average shares outstanding		115.7		114.6		114.9		114.8
Dilutive effect of stock plans		3.3		4.4		3.5		5.0
Dilutive weighted-average shares outstanding		119.0		119.0		118.4		119.8
Diluted earnings per share	$	0.58	$	0.43	$	1.71	$	1.45