Share-Based Compensation And Capital Stock (Tables)

9 Months Ended

Sep. 30, 2011

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Weighted Average Assumptions Of Black-Scholes Option-Pricing Model

The fair value of the options granted was estimated on the grant date using the Black-Scholes option-pricing model with the following weighted average assumptions:

	2011 Grants			2010 Grants
Risk-free interest rate	2.10		%	2.19		%
Expected volatility	39.51		%	41.92		%
Expected life of stock option	4.4 years			4.4 years
Dividend yield	1.79		%	2.26		%
Requisite service period	4 years			4 years
Contractual life	7 years			7 years
Weighted average fair value of options granted	$	12.42		$	10.07

Summary Of Activity Related To Restricted Stock Grants

The following table is a summary of activity related to restricted stock grants:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2011		2010		2011		2010
Restricted share grants	45,674		4,203		247,298		279,157
Weighted average grant date fair value per share	$	30.27	$	35.69	$	38.84	$	33.07
Aggregate grant date fair value ($000)	$	1,383	$	150	$	9,604	$	9,233
Restricted shares forfeited	5,884		2,354		33,252		11,183
Vesting service period of shares granted	3 years		4 years		1-4 years		3-4 years
Grant date fair value of shares vested ($000)	$	298	$	200	$	6,655	$	5,948

Summary Of Activity Related To PVRSU Grants

The following table is a summary of activity related to PVRSU grants:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2011		2010		2011		2010
Performance vested restricted stock units granted at target	—		—		25,036		33,517
Weighted average grant date fair value per share	$	—	$	—	$	41.25	$	32.60
Aggregate grant date fair value ($000)	$	—	$	—	$	1,033	$	1,093
Stock units forfeited	—		—		41,512		9,650
Requisite service period	—		—		3 years		3 years

Summary Of Change In Stock-Based Award Activity

A summary of stock-based award activity as of September 30, 2011 and changes during the nine months ended are presented below:

	Stock Options					Restricted Stock				Performance Vested Restricted  Stock Units
	Options		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Outstanding at January 1, 2011	1,732,674		$	31.43		592,131		$	31.81	127,912		$	33.43
Granted	166,306		41.25			247,298		38.84		25,036		41.25
Exercised/Vested	(164,150	)	22.70			(204,972	)	32.47		0		0
Forfeited/Expired	(126,587	)	32.97			(33,252	)	33.33		(41,512	)	32.18
Outstanding at September 30, 2011	1,608,243		$	33.21	4.5 years	601,205		$	34.39	111,436		$	35.66
Options exercisable at September 30, 2011	954,395		$	33.06	4.0 years

Pre-Tax Stock-Based Compensation Expenses And Associated Income Tax Benefits

The components of the Company’s pretax stock-based compensation expense and associated income tax benefits are as follows for the three and nine months ended September 30, 2011 and 2010:

	Three Months Ended					Nine Months Ended
	September 30,					September 30,
(in millions)	2011		2010			2011		2010
Stock options	$	0.7	$	0.7		$	2.0	$	1.9
Restricted stock	1.9		1.8			5.6		5.3
Performance vested restricted stock units	0.1		(0.7		)	0.4		(0.4		)
Total	$	2.7	$	1.8		$	8.0	$	6.8
Income tax benefits	$	1.0	$	0.7		$	3.0	$	2.5