Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Compensation Cost And Related Tax Benefits

Compensation cost and the related tax benefits were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
(in millions)	2012		2011		2012		2011
Stock-based compensation expense	$	2.2	$	2.6	$	6.3	$	6.0
Tax benefit		(0.8)		(0.9)		(2.2)		(2.1)
Stock-based compensation expense, net of taxes	$	1.4	$	1.7	$	4.1	$	3.9

Summary Of Stock Option Plan Activity

Information on the Company’s stock option plan activity is summarized as follows:

	Six Months Ended June 30,
	2012				2011
(in whole shares and dollars)	Shares		Weighted Average Exercise Price		Shares		Weighted Average Exercise Price
Outstanding, beginning of period		2,715,430	$	38.57		2,843,909	$	39.22
Granted		517,500		36.81		297,000		46.47
Exercised		(38,524)		30.49		(118,014)		33.13
Forfeited or cancelled		(51,250)		40.18		(18,250)		37.39
Expired		(158,850)		44.04		(256,250)		57.00
Outstanding, end of period		2,984,306		38.07		2,748,395		38.62

Summary Of Restricted Stock Activity

The following tables summarize activity information about employee restricted stock units:

	Six Months Ended June 30,
	2012				2011
(in whole shares and dollars)	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Time-based restricted stock units:
Outstanding, beginning of period		768,529	$	40.17		838,129	$	40.93
Granted		172,691		36.99		111,496		46.10
Vested		(121,522)		35.30		(187,123)		45.14
Forfeited		(26,705)		40.03		(21,944)		41.54
Outstanding, end of period		792,993		40.22		740,558		40.63
Performance and market-based restricted stock units:
Outstanding, beginning of period		69,500	$	45.37		101,680	$	39.62
Granted		94,000		36.75		42,500		46.47
Vested		-		-		(25,055)		45.21
Forfeited		(1,125)		41.16		-		-
Outstanding, end of period		162,375		40.34		119,125		40.89