Stock-Based Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2013

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

The fair value of each option award is estimated on the date of grant using the Black-Scholes Option-Pricing Model with the following weighted-average assumptions:



	2013		2012
Weighted-average assumptions:
Expected term	6.9 years		6.6 years
Expected dividend yield	1.80	%	1.00	%
Expected forfeiture rate	10.00	%	9.00	%
Expected volatility	58.97	%	61.03	%
Risk-free interest rate	1.36	%	1.30	%
Fair value of option at grant date	$10.96		$11.71

Summary Of Stock Option Activity

The following table summarizes stock option activity under the Plans:



	Three months ended June 30, 2013			Six months ended June 30, 2013
	Number of Shares	Weighted-Average Exercise Price		Number of Shares	Weighted-Average Exercise Price
Options outstanding, at beginning of period	2,906,253	$	28.10	2,476,645	$	28.99
Options granted	—	—		436,043	23.00
Options exercised	18,995	19.83		18,995	19.83
Options forfeited or expired	53,338	39.95		59,773	38.69
Options outstanding, at end of period	2,833,920	$	27.93	2,833,920	$	27.93
Options exercisable, at end of period	2,128,154	$	29.57	2,128,154	$	29.57
Options expected to vest, at end of period	628,032	$	22.97	628,032	$	22.97

Summary Of Restricted Stock Activity

The following table summarizes performance-based restricted stock activity under the Plans:



	Three months ended June 30, 2013			Six months ended June 30, 2013
	Performance - Based			Performance - Based
Restricted Shares	Number of Shares	Weighted-average Grant Date Fair Value		Number of Shares	Weighted-average Grant Date Fair Value
Beginning of period	240,536	$	24.52	94,407	$	25.44
Granted	—	—		163,519	24.04
Vested (1)	24,748	24.67		40,619	24.81
Forfeited/Modified	—	—		1,519	25.47
End of period	215,788	$	24.50	215,788	$	24.50

(1) Vested for purposes of recording compensation expense on a straight-line basis.

The following tables summarize time-based restricted stock activity under the Plans:



	Three months ended June 30, 2013			Six months ended June 30, 2013
	Time - Based			Time - Based
Restricted Shares	Number of Shares	Weighted-average Grant Date Fair Value		Number of Shares	Weighted-average Grant Date Fair Value
Beginning of period	373,247	$	22.31	249,294	$	22.12
Granted	33,665	22.96		211,274	22.60
Vested (1)	53,998	22.29		100,498	22.22
Forfeited/Modified	4,160	22.53		11,316	22.25
End of period	348,754	$	22.38	348,754	$	22.38



	Three months ended June 30, 2013			Six months ended June 30, 2013
	Time-Based			Time-Based
Restricted Units	Number of Units	Weighted-average Grant Date Fair Value		Number of Units	Weighted-average Grant Date Fair Value
Beginning of period	26,884	$	22.11	33,742	$	22.12
Vested (1)	6,857	22.17		13,715	22.17
End of period	20,027	$	22.09	20,027	$	22.09

(1) Vested for purposes of recording compensation expense on a straight-line basis.